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  Subjects -> VETERINARY SCIENCE (Total: 220 journals)
Showing 1 - 63 of 63 Journals sorted alphabetically
Abanico Veterinario     Open Access   (Followers: 1)
Acta Veterinaria     Open Access   (Followers: 1)
Acta Veterinaria Hungarica     Full-text available via subscription   (Followers: 1)
Acta Veterinaria Scandinavica     Open Access   (Followers: 1)
Advanced Research in Life Sciences     Open Access   (Followers: 3)
Advances in Small Animal Care     Full-text available via subscription  
African Journal of Wildlife Research     Full-text available via subscription   (Followers: 9)
Agrivet : Jurnal Ilmu-Ilmu Pertanian dan Peternakan / Journal of Agricultural Sciences and Veteriner)     Open Access   (Followers: 3)
AL-Qadisiyah Journal of Veterinary Medicine Sciences     Open Access  
American Journal of Animal and Veterinary Sciences     Open Access   (Followers: 9)
American Journal of Primatology     Hybrid Journal   (Followers: 16)
Analecta Veterinaria     Open Access  
Anatomia, Histologia, Embryologia: Journal of Veterinary Medicine Series C     Hybrid Journal   (Followers: 2)
Animal - Science Proceedings     Full-text available via subscription   (Followers: 5)
Animal Behaviour     Hybrid Journal   (Followers: 181)
Animal Feed Science and Technology     Hybrid Journal   (Followers: 7)
Animal Health Research Reviews     Hybrid Journal   (Followers: 4)
Animal Nutrition     Open Access   (Followers: 21)
Animal Reproduction Science     Hybrid Journal   (Followers: 7)
Animals     Open Access   (Followers: 13)
Annual Review of Animal Biosciences     Full-text available via subscription  
Anthrozoos : A Multidisciplinary Journal of The Interactions of People & Animals     Hybrid Journal   (Followers: 12)
Applied Animal Science     Hybrid Journal   (Followers: 1)
Archiva Zootehnica     Open Access  
Archives of Animal Nutrition     Hybrid Journal   (Followers: 8)
Archivos de Medicina Veterinaria     Open Access   (Followers: 1)
Arquivo Brasileiro de Medicina Veterinária e Zootecnia     Open Access  
Asian Journal of Medical and Biological Research     Open Access   (Followers: 3)
Asian Journal of Poultry Science     Open Access   (Followers: 3)
Atatürk Üniversitesi Veteriner Bilimleri Dergisi / Atatürk University Journal of Veterinary Sciences     Open Access  
Austral Journal of Veterinary Sciences     Open Access   (Followers: 1)
Australian Equine Veterinarian     Full-text available via subscription   (Followers: 3)
Australian Veterinary Journal     Hybrid Journal   (Followers: 24)
Avances en Ciencias Veterinarias     Open Access  
Avian Pathology     Hybrid Journal   (Followers: 4)
Bangladesh Journal of Animal Science     Open Access   (Followers: 4)
Bangladesh Journal of Veterinary Medicine     Open Access  
Bangladesh Veterinarian     Open Access  
BMC Veterinary Research     Open Access   (Followers: 15)
Brazilian Journal of Veterinary Medicine     Open Access   (Followers: 1)
Buletin Peternakan : Bulletin of Animal Science     Open Access   (Followers: 1)
Buletin Veteriner Udayana     Open Access   (Followers: 1)
Bulletin of Animal Health and Production in Africa     Full-text available via subscription   (Followers: 3)
Bulletin of University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca : Food Science and Technology     Open Access   (Followers: 1)
Canadian Journal of Veterinary Research     Full-text available via subscription   (Followers: 14)
Case Reports in Veterinary Medicine     Open Access   (Followers: 4)
CES Medicina Veterinaria y Zootecnia     Open Access  
Chilean Journal of Agricultural & Animal Sciences     Open Access  
Ciencia Veterinaria     Open Access  
Cogent Food & Agriculture     Open Access  
Companion Animal     Full-text available via subscription   (Followers: 8)
Compendio de Ciencias Veterinarias     Open Access  
Domestic Animal Endocrinology     Hybrid Journal   (Followers: 6)
Equine Health     Full-text available via subscription   (Followers: 4)
Equine Veterinary Education     Hybrid Journal   (Followers: 12)
Equine Veterinary Journal     Hybrid Journal   (Followers: 19)
Ethiopian Veterinary Journal     Open Access   (Followers: 3)
EUREKA : Health Sciences     Open Access  
FAVE Sección Ciencias Veterinarias     Open Access  
Folia Veterinaria     Open Access  
Frontiers in Veterinary Science     Open Access   (Followers: 4)
Global Journal of Animal Scientific Research     Open Access   (Followers: 1)
Human & Veterinary Medicine - International Journal of the Bioflux Society     Open Access   (Followers: 4)
ILAR Journal     Hybrid Journal   (Followers: 3)
Indian Journal of Animal Sciences     Open Access   (Followers: 2)
Indian Journal of Veterinary Anatomy     Full-text available via subscription   (Followers: 2)
Indonesia Medicus Veterinus     Open Access  
Indonesian Journal of Animal and Veterinary Sciences     Open Access   (Followers: 1)
Intas Polivet     Full-text available via subscription  
International Journal of Equine Science     Open Access   (Followers: 5)
International Journal of Tropical Veterinary and Biomedical Research     Open Access  
International Journal of Veterinary Science and Medicine     Open Access   (Followers: 7)
International Journal of Veterinary Science and Research     Open Access   (Followers: 1)
InVet     Open Access  
Iranian Journal of Applied Animal Science     Open Access   (Followers: 1)
Iranian Journal of Veterinary Surgery     Open Access  
Iraqi Journal of Veterinary Sciences     Open Access  
Irish Veterinary Journal     Open Access   (Followers: 4)
Journal of Veterinary Science & Technology     Open Access   (Followers: 5)
Journal of Advanced Veterinary Research     Open Access   (Followers: 2)
Journal of Animal Physiology and Animal Nutrition     Hybrid Journal   (Followers: 7)
Journal of Buffalo Science     Hybrid Journal  
Journal of Equine Veterinary Science     Hybrid Journal   (Followers: 14)
Journal of Exotic Pet Medicine     Full-text available via subscription   (Followers: 5)
Journal of Feline Medicine & Surgery     Hybrid Journal   (Followers: 6)
Journal of Feline Medicine and Surgery Open Reports     Open Access   (Followers: 2)
Journal of Parasite Science     Open Access   (Followers: 1)
Journal of Research in Forestry, Wildlife and Environment     Open Access   (Followers: 7)
Journal of Small Animal Practice     Hybrid Journal   (Followers: 21)
Journal of the Hellenic Veterinary Medical Society     Open Access   (Followers: 1)
Journal of the Selva Andina Research Society     Open Access  
Journal of the South African Veterinary Association     Open Access   (Followers: 1)
Journal of Veterinary and Animal Sciences     Open Access  
Journal of Veterinary Behavior     Hybrid Journal   (Followers: 2)
Journal of Veterinary Cardiology     Hybrid Journal   (Followers: 8)
Journal of Veterinary Dentistry     Full-text available via subscription   (Followers: 1)
Journal of Veterinary Diagnostic Investigation     Hybrid Journal   (Followers: 12)
Journal of Veterinary Emergency and Critical Care     Hybrid Journal   (Followers: 21)
Journal of Veterinary Forensic Sciences     Open Access   (Followers: 1)
Journal of Veterinary Internal Medicine     Open Access   (Followers: 29)
Journal of Veterinary Medical Education     Partially Free   (Followers: 12)
Journal of Veterinary Medical Research     Open Access   (Followers: 1)
Journal of Veterinary Medicine     Open Access   (Followers: 12)
Journal of Veterinary Pharmacology and Therapeutics     Hybrid Journal   (Followers: 6)
Journal of Veterinary Research     Open Access   (Followers: 4)
Journal of Veterinary Science & Medical Diagnosis     Hybrid Journal   (Followers: 5)
Journal of Veterinary Science & Medicine     Open Access  
Jurnal Agripet     Open Access   (Followers: 1)
Jurnal Ilmu dan Kesehatan Hewan (Veterinary Science and Medicine Journal)     Open Access   (Followers: 1)
Jurnal Medik Veteriner     Open Access  
Jurnal Medika Veterinaria     Open Access  
Jurnal Sain Veteriner     Open Access  
Jurnal Veteriner     Open Access   (Followers: 1)
Kenya Veterinarian     Full-text available via subscription   (Followers: 2)
kleintier konkret     Hybrid Journal  
Livestock     Full-text available via subscription   (Followers: 1)
Macedonian Veterinary Review     Open Access  
Matrix Science Medica     Open Access  
Medical Mycology     Open Access   (Followers: 3)
Medical Mycology Case Reports     Open Access  
Medicina Veterinária (UFRPE)     Open Access  
Nepalese Veterinary Journal     Open Access  
New Zealand Veterinary Journal     Full-text available via subscription   (Followers: 13)
New Zealand Veterinary Nurse     Full-text available via subscription   (Followers: 2)
Nigerian Veterinary Journal     Open Access  
Nutrición Animal Tropical     Open Access   (Followers: 3)
Onderstepoort Journal of Veterinary Research     Open Access   (Followers: 4)
Open Journal of Animal Sciences     Open Access   (Followers: 4)
Open Journal of Veterinary Medicine     Open Access   (Followers: 2)
Pet Behaviour Science     Open Access   (Followers: 1)
pferde spiegel     Hybrid Journal  
Polish Journal of Veterinary Sciences     Open Access   (Followers: 1)
Preventive Veterinary Medicine     Hybrid Journal   (Followers: 10)
Rassegna di Diritto, Legislazione e Medicina Legale Veterinaria     Open Access  
Reproduction in Domestic Animals     Hybrid Journal   (Followers: 2)
Research & Reviews : Journal of Veterinary Science and Technology     Open Access   (Followers: 2)
Research in Veterinary Science     Hybrid Journal   (Followers: 12)
Research Journal of Veterinary Sciences     Open Access   (Followers: 5)
Revista Brasileira de Ciência Veterinária     Open Access  
Revista Brasileira de Higiene e Sanidade Animal     Open Access   (Followers: 1)
Revista Brasileira de Zootecnia     Open Access   (Followers: 1)
Revista Ciencias Veterinarias     Open Access  
Revista Colombiana de Ciencia Animal     Open Access  
Revista Colombiana de Ciencias Pecuarias (Colombian journal of animal science and veterinary medicine)     Open Access   (Followers: 2)
Revista Complutense de Ciencias Veterinarias     Open Access  
Revista de Ciência Veterinária e Saúde Pública     Open Access  
Revista de Ciências Agroveterinárias     Open Access  
Revista de Educação Continuada em Medicina Veterinária e Zootecnia     Open Access  
Revista de Investigaciones Veterinarias del Perú     Open Access  
Revista de Medicina Veterinaria     Open Access  
Revista de Salud Animal     Open Access  
Revista Mexicana de Ciencias Pecuarias     Open Access   (Followers: 1)
Revista MVZ Córdoba     Open Access  
Revista Veterinaria     Open Access  
Revue Marocaine des Sciences Agronomiques et Vétérinaires     Open Access  
Revue Vétérinaire Clinique     Full-text available via subscription  
Salud y Tecnología Veterinaria     Open Access  
Schweizer Archiv für Tierheilkunde     Hybrid Journal  
Science and Animal Health     Open Access  
Small Ruminant Research     Hybrid Journal   (Followers: 2)
Spei Domus     Open Access  
Sri Lanka Veterinary Journal     Open Access  
SVU-International Journal of Veterinary Sciences     Open Access  
Tanzania Veterinary Journal     Full-text available via subscription   (Followers: 1)
team.konkret     Open Access  
Theoretical and Applied Veterinary Medicine     Open Access  
Theriogenology     Hybrid Journal   (Followers: 2)
Tierärztliche Praxis Ausgabe G: Großtiere / Nutztiere     Hybrid Journal  
Tierärztliche Praxis Ausgabe K: Kleintiere / Heimtiere     Hybrid Journal  
Topics in Companion Animal Medicine     Hybrid Journal   (Followers: 4)
Transboundary and Emerging Diseases     Hybrid Journal   (Followers: 4)
Trends in Parasitology     Full-text available via subscription   (Followers: 11)
Tropical Animal Health and Production     Open Access   (Followers: 1)
Tropical Veterinarian     Full-text available via subscription   (Followers: 1)
Turkish Journal of Veterinary Research     Open Access  
UK Vet Equine     Full-text available via subscription   (Followers: 7)
Ukrainian Journal of Veterinary and Agricultural Sciences     Open Access  
Van Veterinary Journal     Open Access  
VCOT Open     Open Access   (Followers: 2)
veterinär spiegel     Hybrid Journal   (Followers: 1)
Veterinaria     Open Access  
Veterinaria (Montevideo)     Open Access  
Veterinaria México     Open Access  
Veterinaria México OA     Open Access  
Veterinarski Glasnik     Open Access  
Veterinary Anaesthesia and Analgesia     Hybrid Journal   (Followers: 16)
Veterinary and Animal Science     Open Access  
Veterinary and Comparative Oncology     Hybrid Journal   (Followers: 13)
Veterinary and Comparative Orthopaedics and Traumatology     Hybrid Journal   (Followers: 2)
Veterinary Clinical Pathology     Hybrid Journal   (Followers: 9)
Veterinary Clinics of North America: Equine Practice     Hybrid Journal   (Followers: 11)
Veterinary Clinics of North America: Exotic Animal Practice     Full-text available via subscription   (Followers: 5)
Veterinary Clinics of North America: Food Animal Practice     Full-text available via subscription   (Followers: 4)
Veterinary Clinics of North America: Small Animal Practice     Full-text available via subscription   (Followers: 22)
Veterinary Dermatology     Hybrid Journal   (Followers: 8)
Veterinary Immunology and Immunopathology     Hybrid Journal   (Followers: 11)
Veterinary Journal     Hybrid Journal   (Followers: 18)
Veterinary Journal of Mehmet Akif Ersoy University / Mehmet Akif Ersoy Üniversitesi Veteriner Fakültesi Dergisi     Open Access  
Veterinary Medicine and Science     Open Access   (Followers: 2)
Veterinary Medicine International     Open Access   (Followers: 5)

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Journal Cover
Journal of Veterinary Research
Journal Prestige (SJR): 0.287
Citation Impact (citeScore): 1
Number of Followers: 4  

  This is an Open Access Journal Open Access journal
ISSN (Print) 2450-7393 - ISSN (Online) 2450-8608
Published by Sciendo Homepage  [371 journals]
  • Phylogenetic analysis of small ruminant lentiviruses originating from
           naturally infected sheep and goats from Poland based on the long terminal
           repeat sequences

    • Abstract: IntroductionPrevious gag and env sequence studies placed Polish small ruminant lentiviruses (SRLVs) isolated from sheep and goats in subtypes B1, B2, A1, A5, A12, A13, A16–A18, A23, A24 and A27. This study extended the genetic/phylogenetic analysis of previously identified Polish SRLV strains by contributing long terminal repeat (LTR) sequences.Material and MethodsA total of 112 samples were analysed. Phylogenetic analyses were carried out on the LTR fragment using the neighbour-joining, maximum likelihood, and unweighted pair group method with arithmetic mean methods.ResultsPolish caprine and ovine LTR sequences clustered within group A and grouped in at least 10 clusters (subtypes A1, A5, A12, A13, A16–A18, A23, A24 and A27). Most of the Polish strains (78%) belonged to the same subtype by the indication of the gag, env and LTR genomic regions. Discrepancies in affiliation depending on the particular sequence were observed in 24 (21%) strains, most of which came from mixed-species flocks where more than one SRLV genotype circulated. Sequences of the LTR reflected subtype-specific patterns. Several subtype-specific markers were identified, e.g. a unique substitution of T to A in the fifth position of the TATA box in A17, A27, A20 and B3.ConclusionThis study provides valuable insights into the genetic diversity of SRLV field strains in Poland, their phylogenetic relationships and their position in the recently established SRLV classification. Our results confirmed the existence of the ten subtypes listed and the readier emergence of new SRLV variants in mixed-species flocks.
      PubDate: Tue, 15 Nov 2022 00:00:00 GMT
  • Vaccine-induced rabies in a red fox in Poland

    • Abstract: IntroductionRabies as a zoonosis threatens public health worldwide. Several thousand people die each year of infections by the rabies virus (RABV). Oral rabies vaccination (ORV) of wildlife was successfully implemented in many European countries and led to rabies being brought under control there. In Poland, ORV was introduced in 1993 using vaccines containing an attenuated strain of the rabies virus. However, attenuated rabies viruses may have residual pathogenicity and cause the disease in target and non-target animals.Material and MethodsA red fox carcass was tested as part of national rabies surveillance, and its brain was screened for RABV infection using two conjugates and a fluorescent antibody test (FAT). The rabies virus was isolated in mouse neuroblastoma cells by rabies tissue culture infection test (RTCIT), and viral RNA was detected by heminested reverse transcriptase PCR (hnRT-PCR) as well as by quantitative real-time RT-PCR (rtRT-qPCR). An amplicon of 600 bp was subjected to Sanger sequencing. To differentiate between vaccine and field RABV strains, PCR-restriction fragment length polymorphism (PCR-RFLP) using the Dra I, Msp I, Nla IV and Mbo II restriction endonucleases was performed.ResultsThe rabies virus was detected in the fox’s brain using FAT, RTCIT and molecular tests. The PCR-RFLP revealed of vaccine-induced rabies, and full-length genome analysis showed 100% nucleotide sequence identity of the isolate with the reference sequences of Street Alabama Dufferin Bern (SAD Bern) vaccine strains and other vaccine-induced rabies virus isolates detected in animals and deposited in GenBank.ConclusionWe detected vaccine-induced rabies for the first time in Poland in a fox during routine rabies surveillance.
      PubDate: Tue, 15 Nov 2022 00:00:00 GMT
  • Proteomic analysis of tear film in canine diabetic patients with and
           without retinopathy

    • Abstract: IntroductionDiabetic retinopathy (DR) is the leading cause of blindness in human and animal patients. Early detection and treatment of the disease are important and can be facilitated by proteomic approaches providing biomarkers.Material and MethodsTear films were collected on Schirmer strips from 32 canine patients (12 diabetic dogs without changes in the retina, 8 diabetic dogs with signs of DR, and 12 control dogs). Two-dimensional electrophoresis was used to separate tear film proteins prior to their identification with matrix-assisted laser desorption/ionisation–tandem time-of-flight mass spectrometry and interrogation of protein function databases to find matches.ResultsFive significantly differentially expressed proteins were identified; of those, one was downregulated (2ʹ-5ʹ-oligoadenylate synthase 3) and four were upregulated in the tear film of two diabetic groups (Ras-related protein RAB-13; aldo-keto-reductase family 1 member C3; 28S ribosomal protein S31, mitochondrial; and 60S ribosomal protein L5). The differentially expressed proteins identified in the tear film were involved in signalling pathways associated with impaired protein clearance, persistent inflammation and oxidative stress.ConclusionThe results of our study confirm that the pathological process in the retina in the course of diabetes mellitus causes changes in the tear film proteome.
      PubDate: Mon, 07 Nov 2022 00:00:00 GMT
  • Histamine content in selected production stages of fish products

    • Abstract: IntroductionHistamine intoxication, known as scombroid fish poisoning, is caused by the consumption of foods with high levels of histamine. This biogenic amine is formed as a result of histidine decarboxylation by bacterial decarboxylases present in food, including fish and fish products. The aim of this study was to investigate the content of histamine at different production stages of canned, marinated and smoked fish.Material and MethodsRaw fish, semi-finished fish products, and the final products of the same production batches were collected between 2019 and 2022 from different fish production facilities in Poland. A total of 133 raw fish samples and 76 smoked fish, 54 brined fish, 39 canned fish and 18 marinated fish final products were analysed using high performance liquid chromatography with a diode array detector.ResultsHistamine was identified in 55 (17.2%) out of 320 tested samples, including 8 samples of raw fish with a histamine level above 100 mg/kg. However, no samples of fish products had histamine content above the European Union Commission limit.ConclusionThe obtained results show that fish products on the Polish market are generally safe for consumers in regard to histamine intoxication risk.
      PubDate: Mon, 07 Nov 2022 00:00:00 GMT
  • Potential risk of botulinum neurotoxin -producing clostridia occurrence in
           canned fish

    • Abstract: IntroductionHeat treatment is indispensable in fish canning to provide an acceptable shelf life. Its optimisation reduces the risk of the presence of Clostridium botulinum spores, which could potentially cause botulism cases. This study evaluated canned fish samples for botulism neurotoxin (BoNT)-producing clostridia contamination and can bulging through microbiological contaminant growth. A new analytical approach was developed for detection of such clostridia and phenotypically similar species.Material and MethodsA total of 70 canned fish samples suspected of exhibiting bulging features were analysed. Culture methods were used to detect clostridia. The isolates obtained were evaluated on the basis of the exhibited phenotypic characteristics. Also, PCRs were used for the detection of genes determining BoNT production (non-toxic non-haemagglutinin (ntnh) genes) and the amplification of conservative 16S rDNA genes, which were Sanger sequenced. The obtained sequences were analysed using the Basic Local Alignment Search Tool.ResultsClostridium genus species were isolated from 17 (24%) bulging and organoleptically changed samples. No ntnh genes were present in these isolates; however, sequencing confirmed the presence of C. sporogenes, a species with close affinity to C. botulinum.ConclusionTo eliminate the threat of foodborne botulism, laboratory diagnostic techniques must detect species of the Clostridium genus and elucidate their ability to produce BoNTs. Although Clostridium botulinum is the most common cause of botulism, the possibility may not be ignored that non-pathogenic Clostridium species may acquire botulinum toxigenicity. The similarity between the isolated strains of C. sporogenes and C. botulinum should be incorporated in the optimisation of heat treatment to guarantee a sterilised, microbiologically safe product.
      PubDate: Mon, 07 Nov 2022 00:00:00 GMT
  • Analysis of antimicrobial resistance and genetic correlations of in dairy
           cow mastitis

    • Abstract: IntroductionEscherichia coli is a widespread environmental pathogen frequently causing dairy cow mastitis. This bacterium is particularly capable of acquiring antimicrobial resistance, which can have severe impacts on animal food safety and human health. The objective of the study was to investigate antimicrobial resistance and genetic correlations of E. coli from dairy cow mastitis cases in northern China.Material and MethodsForty strains of E. coli from 196 mastitis milk samples were collected, susceptibility to 13 common antibiotics and the prevalence of resistance genes were tested in these strains, and the genetic characteristics were identified by multilocus sequence typing.ResultsThe results showed that most isolates were multidrug resistant (MDR) (75%), and the resistance rates to cefazolin, trimethoprim-sulfamethoxazole and ampicillin were 77.5%, 55.0%, and 52.5%, respectively. The representative genes of the isolates were aadA (62.5%) and tet(B) (60.0%). Multilocus sequence typing showed 19 different sequence types (STs) and 5 clonal complexes (CCs) in the 40 isolates, mainly represented by ST10 and CC10. The strains of the same ST or CC showed a high level of genetic relatedness, but the characteristics of their antimicrobial resistance were markedly different.ConclusionMost E. coli isolates in the study were MDR strains. Some strains of the same ST or CC showed diverse resistance characteristics to common antimicrobials. Therefore, E. coli from dairy cow mastitis in northern China should be investigated to elucidate its antimicrobial resistance and genotypes.
      PubDate: Fri, 04 Nov 2022 00:00:00 GMT
  • A preliminary study of the poultry body weight effect of carvacrol in
           litter and of carvacrol residue in organ tissue of exposed chickens

    • Abstract: IntroductionCarvacrol is an essential oil extracted from oregano which can be used as a natural additive in poultry litter and could have a positive impact not only on production rates but also on the quality of poultry meat. The aim of this study was to evaluate the effect of the addition of carvacrol to litter on weight gain and the occurrence of residues in chicken tissues.Material and MethodsOne-day-old Ross 308 chicks were used for the study and were randomly divided into two experimental groups. For 42 days, one group was kept in a room with litter enriched with carvacrol and the second group was kept in a room with litter without carvacrol. After 42 days, the birds were sacrificed and necropsied. Carvacrol content was determined in homogenised organ tissue samples by liquid chromatography–mass spectrometry.ResultsWeekly weighing results showed that exposure to carvacrol in litter had no impact on chicken body weight. The analysis of plasma, muscle, liver and lung tissue after 42 days’ exposure clearly indicated that there were residues of carvacrol in the analysed matrices.ConclusionExposure of chickens to carvacrol left residues but did not affect body weight.
      PubDate: Fri, 04 Nov 2022 00:00:00 GMT
  • Genotoxic effect of cadmium and zinc in the peripheral erythrocytes of
           Prussian carp ( B.)

    • Abstract: IntroductionCadmium and zinc are often found in aquatic environment and may accumulate in living organisms. The aim of this study was to evaluate the genotoxic effect of Cd, Zn, and their binary mixture on the peripheral blood erythrocytes of Prussian carp (Carassius gibelio B.).Material and MethodsThe fish were exposed to 4.0 mg/L Cd, 4.0 mg/L Zn or a mixture of 4.0 mg/L Cd and 4.0 mg/L Zn for a period of 14, 21 or 28 days. Genotoxic effects were investigated in peripheral blood cells using the comet assay and the erythrocyte micronucleus assay.ResultsThe results demonstrated that the frequencies of micronuclei (MN) and both nuclear and cellular abnormalities in erythrocytes were significantly higher in all exposure groups as compared to the control group. The fish exposed to the mixture of Cd and Zn presented the highest frequency of MN. Furthermore, there was a decrease in the frequency of MN and an increase in the occurrence of DNA integrity defects (DNA damage) with longer time of exposure to the metals studied.ConclusionErythrocyte micronucleus and comet assays confirmed the genotoxicity of Cd and Zn. The results of the tests applied (which showed considerable variability) suggest the involvement of various toxicity mechanisms. Therefore, an integrative and comprehensive approach, using a set of assays for toxicity profile determination, should be adopted during ecotoxicological studies and environmental risk assessment pertaining to these elements.
      PubDate: Fri, 04 Nov 2022 00:00:00 GMT
  • Occurrence of bovine coronavirus and other major respiratory viruses in
           cattle in Poland

    • Abstract: IntroductionBovine coronavirus (BCoV) is a causative agent of enteric and respiratory diseases in cattle. Despite its importance for animal health, no data is available on its prevalence in Poland. The aim of the study was to determine the virus’ seroprevalence, identify risk factors of BCoV exposure in selected cattle farms and investigate the genetic variability of circulating strains.Material and MethodsSerum and nasal swab samples were collected from 296 individuals from 51 cattle herds. Serum samples were tested with ELISA for the presence of BCoV-, bovine herpesvirus-1 (BoHV-1)- and bovine viral diarrhoea virus (BVDV)-specific antibodies. The presence of those viruses in nasal swabs was tested by real-time PCR assays. Phylogenetic analysis was performed using fragments of the BCoV S gene.ResultsAntibodies specific to BCoV were found in 215 (72.6%) animals. Seropositivity for BCoV was more frequent (P>0.05) in calves under 6 months of age, animals with respiratory signs coinfected with BoHV-1 and BVDV and increased with herd size. In the final model, age and herd size were established as risk factors for BCoV-seropositivity. Genetic material of BCoV was found in 31 (10.5%) animals. The probability of BCoV detection was the highest in medium-sized herds. Polish BCoVs showed high genetic homology (98.3–100%) and close relatedness to European strains.ConclusionInfections with BCoV were more common than infections with BoHV-1 and BVDV. Bovine coronavirus exposure and shedding show age- and herd density-dependence.
      PubDate: Fri, 04 Nov 2022 00:00:00 GMT
  • Detection and antimicrobial resistance of other than in raccoons from the
           Madrid region of Spain

    • Abstract: IntroductionRaccoons are an invasive alien species widely distributed in the Madrid region of Spain. These animals can carry a variety of enteric bacteria with associated antimicrobial resistance, which can infect humans and livestock. However, to our knowledge, the presence of non-E. coli Enterobacteriaceae in raccoons has not been previously studied.Material and MethodsWe conducted a study to examine the species distribution of Enterobacteriaceae isolates other than E. coli, as well as their antimicrobial resistance, in the faeces of 83 raccoons in the Madrid region.ResultsWe detected 12 Enterobacteriaceae isolates other than E. coli belonging to seven different species: Citrobacter freundii (1 isolate), Citrobacter gillenii (3 isolates), Citrobacter murliniae (1 isolate), Citrobacter portucalensis (2 isolates), Enterobacter hormaechei subsp. hoffmannii (1 isolate), Hafnia paralvei (2 isolates) and Raoultella ornithinolytica (2 isolates). These isolates were found in 7 of the 83 (8.4%) animals studied. To our knowledge, this study is the first report of the presence of non-E. coli Enterobacteriaceae in raccoon faeces. All isolates but one were resistant to at least one of the 14 antimicrobials tested. Resistance to ampicillin (83.3%), amoxicillinclavulanic acid (50%) and cefoxitin (33.3%) was the most frequent.ConclusionOur study indicates that raccoons are a potential source of infection with Enterobacteriaceae other than E. coli for humans and livestock in the Madrid region.
      PubDate: Fri, 04 Nov 2022 00:00:00 GMT
  • Characterisation of ORF3, M, N and E gene sequences of porcine epidemic
           diarrhoea virus from domestic pigs in Poland

    • Abstract: IntroductionPorcine epidemic diarrhoea virus (PEDV) is an enteric pathogen causing porcine epidemic diarrhoea and acute gastroenteritis in pigs of all ages. Previous analysis of the viral genome of PEDV in Poland was only based on the spike protein (S) gene sequences and no analysis of other genes has been performed. The aim of this study was to analyse the envelope (E), membrane (M) and nucleocapsid (N) protein and open reading frame 3 (ORF3) gene sequences.Material and MethodsViral RNA from 18 Polish pig faecal samples that were quantitative reverse transcription PCR-positive for PEDV was analysed in four genomic regions (E, M, N and ORF3).ResultsPhylogenetic analysis based on these regions’ sequences revealed that Polish PEDV isolates were highly related and were clustered into group G2a across the four genes compared. Moreover, the Polish strains were located in distinct subclusters on the phylogenetic trees, which suggests the presence of at least three independently evolving PEDV genetic lines circulating in Poland. The occurrence of unique mutations in the sequences of Polish PEDV strains suggests that PEDV continues to undergo evolutionary processes, accumulating the mutations necessary for viral fitness in its natural hosts. The Polish PEDV strains differed genetically from the CV777 vaccine strain, suggesting the risk of relatively low vaccine efficacy if this strain is used.ConclusionOur results promote a better understanding of the genetic diversity of PEDV field isolates in Poland and highlight the importance of molecular characterisation of PEDV field strains for the development of an effective vaccine against PEDV.
      PubDate: Fri, 30 Sep 2022 00:00:00 GMT
  • Influence of direct-fed microbial blend and on rumen fermentation pattern
           and degradability during simulated ruminal acidosis

    • Abstract: IntroductionThe use of probiotics and phytobiotics has attracted interest because of their protective effect against acidosis. Ferula elaeochytris (FE) is considered a good source of bioactive compounds, mainly monoterpene α-pinene. This study aimed to investigate the effect of a direct-fed microbial blend (Pro) and FE on rumen fermentation parameters in vitro under normal and acidosis conditions.Material and MethodsAn in vitro experiment using the Hohenheimer Futterwerttest (HFT) gas production system was conducted. An acidosis challenge was made to compare the effectiveness of the probiotics blend and FE extract on ruminal pH regulation. To generate different ruminal fermentation parameters, the design of the trial considered the 2 additives (Pro and FE) × 6 incubation times (2, 4, 8, 12, 24 and 48 h) × 2 conditions (acidosis and normal) × 2 incubation runs for each feedstuff (barley, alfalfa and straw).ResultsAn acidosis challenge was successfully induced. The Pro and FE additives had no impact on the observed rumen fermentation parameters such as volatile fatty acid concentration or ammonia (P = 0.001). The acidosis condition decreased total in vitro degradability (IVD) by 3.5% and 21.9% for barley and straw, respectively (P < 0.001). The additives had different significant effects on the IVD of nutrients during both normal and acidosis conditions. In alfalfa samples, FE supplementation significantly decreased the IVD of all observed nutrients under the ruminal acidosis condition, although it had no effect during the normal condition.ConclusionAn acidosis challenge was successfully induced and the effect of additives was varied on fermentation parameters and rumen degradability of different feeds either under normal or acidosis conditions.
      PubDate: Fri, 30 Sep 2022 00:00:00 GMT
  • Antimicrobial resistance and virulence genes in staphylococci isolated
           from aviary capercaillies and free-living birds in south-eastern Poland

    • Abstract: IntroductionThe current study characterises Staphylococcus bacteria recovered from dead free-living birds and captive capercaillies kept in south-eastern Poland. The results provide novel information about the antimicrobial resistance phenotype/genotype and the virulence profile of these bacteria.Material and MethodsSamples of internal organs were taken from dead birds. Staphylococcus strains were identified by matrix-assisted laser desorption/ionisation–time-of-flight mass spectrometry. Susceptibility to 13 antibiotics was tested using a standard disc diffusion method on Mueller–Hinton agar. All isolates were screened for the presence of antibiotic resistance genes and staphylococcal enterotoxins (A to E), toxic shock syndrome toxin 1, exfoliative toxins A and B and Panton–Valentine leukocidin.ResultsA total of 129 bacterial strains belonging to 19 species of the Staphylococcus genus were isolated. A relatively high percentage of them resisted fluoroquinolones, tetracyclines, macrolides and β-lactams to a significant degree and harboured the tetK, tetM, ermC, mphC and mecA genes. Strains of the coagulase-negative S. sciuri, S. xylosus and S. cohnii were isolated with genes encoding enterotoxin A and toxic shock syndrome toxin.ConclusionBoth coagulase-positive and coagulase-negative staphylococci isolated from aviary capercaillies and free-living birds have significant pathogenic potential, and greater attention must be paid to the coagulase-negative species, which are still often considered mere contaminants. Virulence factors associated with resistance to antimicrobials, this being multiple in some strains, seem most important because they can be easily transferred between animals, especially those living in a given area.
      PubDate: Thu, 15 Sep 2022 00:00:00 GMT
  • Seroprevalence and epidemiological risk factors for Kasba virus among
           sheep and goats in South Korea: a nationwide retrospective study

    • Abstract: IntroductionKasba virus belongs to the Palyam serogroup of the Orbivirus genus and Reoviridae family. Kasba virus is the causative agent of many reproductive disorders in infected animals, which result in considerable economic losses, mainly in the cattle industry. The epidemiology of Kasba virus infection is poorly defined and remains unclear in South Korea.Material and MethodsThis study investigated the prevalence of antibodies against Kasba virus in sheep and goats in South Korea. Individual, management, and regional risk factors associated with seropositivity were also evaluated. In addition, a retrospective serosurvey was conducted.ResultsSerum samples from 28 out of 441 sheep or goat flocks (6.3%, 95% confidence interval (CI): 4.4–9.0%) and 115 out of 1003 animals (11.5%, 95% CI 9.6–13.6%) were positive for antibodies against Kasba virus. According to our results, a history of reproductive problems increased the probability of Kasba virus positivity. Preventive measures such as routine insecticide application decreased this probability. We observed significant differences in the prevalence of seropositivity between southern provinces and northern provinces and between western provinces and eastern provinces at the individual level.ConclusionThe virus was widely distributed among sheep and goats in South Korea, with seropositivity ranging from 6.8% in 2004 to 13.7% in 2008. The current study represents the first assessment of factors associated with Kasba virus seroprevalence in sheep and goats in South Korea.
      PubDate: Thu, 15 Sep 2022 00:00:00 GMT
  • High prevalence of infection in fighting cocks in Thailand determined with
           a molecular method

    • Abstract: IntroductionAvian malaria caused by Plasmodium and the malaria-like parasites of the genus Haemoproteus has been regularly described in multiple regions worldwide. These parasites significantly affect many avian taxa, including domestic chickens and fighting cocks. There are limited epidemiological studies of these blood parasites in vertebrate hosts, especially in Thailand.Material and MethodsThis study used microscopic examination of blood samples and PCR amplification exploiting primers for nucleotide sequences of Plasmodium or Haemoproteus species based on the cytochrome b gene to determine the occurrence of Plasmodium spp. in fighting cocks.ResultsExamination of 249 blood samples of fighting cocks revealed that 41.37% (103/249) were positive for malaria by microscopic examination and 88.76% (221/249) were positive by DNA amplification. Sequencing and DNA analysis of 61 PCR products revealed that infection by Plasmodium juxtanucleare was the most common avian malaria in fighting cocks in Thailand followed by infections by Plasmodium gallinaceum; however, Haemoproteus infection was not discovered.ConclusionsThis study indicated that plasmodiasis is widespread in fighting cocks in Thailand although the prevalence was not clearly determined; therefore, prevention and control strategies for these protozoa should be improved, especially those for avoiding vector exposure and eliminating mosquito breeding sites.
      PubDate: Thu, 15 Sep 2022 00:00:00 GMT
  • Detection of a new emerging strain of rabbit haemorrhagic disease virus 2
           (GI.2) in China

    • Abstract: IntroductionIn May 2020, an outbreak of rabbit haemorrhagic disease 2 (RHD2) caused by the rabbit haemorrhagic disease virus 2 (RHDV2, GI.2) occurred in Sichuan, China. The acute onset and short disease course resulted in rabbit mortality as high as 42.86%. Currently, basic research on the aetiology and genetic characteristics of GI.2 is lacking in China.Material and MethodsPathological changes in various tissues from infected rabbits were investigated and the viral genome was characterised. This study used RT-PCR, histopathology and scanning electron microscopy to identify the pathogen in samples from infected rabbits that had died. Phylogenetic trees were constructed based on whole genome sequence analysis, and recombination events were analysed.ResultsRT-PCR identified the presence of GI.2. Histopathology revealed liver cell necrosis and haemorrhaging into lung alveoli. Electron microscopy demonstrated spherical GI.2 particles that were 40 nm in size. The gene sequence length of the isolate was 7,445 bp (GenBank accession number MW178244). A phylogenetic analysis based on the genome of the isolated strain and 60 reference strains showed that the isolate was grouped together with GI.2 strain MT586027.1 in a relatively independent sub-branch. The results of the recombination analysis showed that the strain was recombined from the MT586027.1 (major parent) and MN90145.1 (minor parent) strains, and recombination breakpoints were at locations in the 2858–5137 nt range.ConclusionThe results of this study extend our understanding of the molecular epidemiology of GI.2.
      PubDate: Wed, 14 Sep 2022 00:00:00 GMT
  • Influence of natural and climatic conditions on the distribution and forms
           of contagious agalactia in sheep in Bessarabia, Ukraine

    • Abstract: IntroductionContagious agalactia of ruminants is an endemic disease caused by Mycoplasma agalactiae in flicting significant losses on farms in deaths and forced slaughter of sick animals, abortions, births of sick young animals, and reduced milk and wool production. The aim of the study was to determine the influence of hydrometeorological conditions on the distribution and forms of contagious agalactia in sheep in Bessarabia, Ukraine.Material and MethodsThe epizootic situation regarding contagious agalactia was studied during 2011–2021 on sheep farms in the south of the Odesa region in Bessarabia. Over two million blood samples from sheep aged 1–6 years were serologically investigated and the prevalence of agalactia was correlated with Selyaninov’s hydrothermal coefficient for each sampling year.ResultsHigh rates of infection of sheep with contagious agalactia (from 13.1% to 14.4%) were registered in 2012, 2016 and 2021, years which according to the hydrothermal coefficient of 1.0 were sufficiently moist. The lowest incidence rates, from 6.5% to 7.4%, were registered in the very dry 2013, 2014 and 2019 with hydrothermal coefficients of 0.5‒0.6. In sufficiently moist years, contagious agalactia of sheep manifested itself in the mastitic form, while in the dry period the mastitic form was half as prevalent, and the mixed, articular and ocular forms of the disease proliferated.ConclusionThe results indicate the circulation of Mycoplasma agalactiae among small ruminants in Bessarabia, and that the prevalence and the course of the associated disease depend on the humidity of the climate, i.e. the value of the hydrothermal coefficient.
      PubDate: Fri, 02 Sep 2022 00:00:00 GMT
  • The impact of a modified anaesthetic protocol on animal survival and the
           characteristics of ventricular arrhythmias in the course of acute
           myocardial infarction in a domestic pig model

    • Abstract: IntroductionAcute myocardial infarction (MI) is one of the most common causes of death in humans in highly developed countries. Among its most frequent complications affecting the patient’s prognosis are cardiac arrhythmias: ventricular tachycardia (VT) and ventricular fibrillation (VF).Material and MethodsThe study aimed to characterise arrhythmias in 19 pigs subjected to experimentally induced MI obtained by occlusion of the proximal left anterior descending (LAD) coronary artery using an angioplasty balloon. The anaesthetic protocol was modified to reduce mortality by including procedures stabilising haemodynamic disorders which develop during episodes of ischaemia and arrhythmia. During 30 min of experimentally induced ischaemia, the heart rhythm was recorded using a 12-lead ECG. The time, frequency, and type of arrhythmias were analysed.ResultsVentricular arrhythmias were found in 94.74% of the treated pigs. The most common were ventricular premature complexes, reported in 88.89% of pigs with arrhythmia. Ventricular tachycardia was recorded in 66.67% and ventricular fibrillation in 50% of pigs with arrhythmias.ConclusionMyocardial infarction due to proximal LAD occlusion is characterised by a high incidence of ventricular arrhythmias, especially VT and VF. Because of the high survival rate, this MI porcine model may serve as a model for research on acute ischaemic ventricular arrhythmias in humans. Additionally, it reduces the total number of animals required for testing while yielding meaningful results, which is in line with the 3R principle.
      PubDate: Tue, 30 Aug 2022 00:00:00 GMT
  • Prevalence of virulence genes among strains isolated from food and carcass
           swabs of different animal origins in Croatia

    • Abstract: IntroductionEscherichia coli is present in the normal intestinal flora but some strains can cause intestinal and extraintestinal diseases, and research on its presence in food of animal origin is in the interests of public health. This study was designed to characterise E. coli strains according to their origin, their carriage of virulence genes specific for certain pathogroups, and phylogenetic group affiliation.Material and MethodsThe study was carried out on 100 E. coli strains isolated from food samples of various animal origin as well as pig and cattle carcass swabs. Isolation of the strains was performed using two methods. One method included colony count and the other an overnight enrichment of the samples. Isolation was followed by DNA extraction and detection of virulence genes and phylogenetic group with conventional and multiplex PCRs.ResultsIn this study, the most prevalent gene was EAST1 (20%) and strains which carried it were identified as enteroadherent E. coli. Other pathogroups were represented in lower incidences. Phylogenetic group analysis revealed the prevalence of the A and B1 groups, with B1 mainly present in game and cattle strains, while the majority of pig and poultry strains were assigned to group A.ConclusionThis study provides an overview of the presence of potentially pathogenic strains and E. coli phylogenetic groups in Croatia, for which the data are limited. Further microbiological and molecular research is required to examine the epidemiological situation in the country.
      PubDate: Tue, 30 Aug 2022 00:00:00 GMT
  • Haematological and chosen biochemical parameter assessment of the
           antioxidant system in red deer () blood in early and late pregnancy

    • Abstract: IntroductionThe aim of this study was to investigate changes in haematological parameters and the antioxidant system in the early and late pregnancy of red deer (Cervus elaphus).Material and MethodsBlood samples were collected from 30 red deer females 50 days after impregnation and 40 days before calving. Complete blood counts and stained blood smears were assessed. Paraoxonase 1 (PON1), superoxide dismutase (SOD), catalase (CAT), glutathione reductase (GR) activities, glutathione disulphide (GSSG), total glutathione, total bilirubin, total protein, albumin, uric acid, malondialdehyde (MDA), beta-hydroxybutyrate (BHB), low-density lipoprotein (LDL), high-density lipoprotein (HDL), triglycerides, cholesterol levels and total antioxidant status (TAS) were measured.ResultsThe haematological characteristics of blood collected in the third trimester showed higher haemoglobin levels, haematocrit, mean corpuscular volume (P < 0.05) and a lower mean cell haemoglobin concentration (P < 0.05) in comparison to samples collected on the 50th day after mating. Activity of CAT and MDA, LDL, and triglyceride levels were lower while GR, GSSG, total glutathione, total protein and BHB levels were increased in blood samples drawn in the third trimester compared with the first trimester blood samples. There were no changes in SOD, PON1 activities, TAS, bilirubin, albumin, HDL, cholesterol or uric acid concentrations.ConclusionRed deer’s compensatory mechanisms facilitate its optimal adaptation to seasonal changes evidenced by mild pronounced haematological disturbances and an effective antioxidant system during pregnancy.
      PubDate: Tue, 30 Aug 2022 00:00:00 GMT
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