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  Subjects -> VETERINARY SCIENCE (Total: 216 journals)
Showing 1 - 63 of 63 Journals sorted alphabetically
Acta Scientiae Veterinariae     Open Access   (Followers: 2)
Acta Veterinaria     Open Access   (Followers: 1)
Acta Veterinaria Brasilica     Open Access  
Acta Veterinaria Hungarica     Full-text available via subscription   (Followers: 2)
Acta Veterinaria Scandinavica     Open Access   (Followers: 2)
Advances in Animal Biosciences     Full-text available via subscription   (Followers: 8)
Advances in Small Animal Medicine and Surgery     Hybrid Journal   (Followers: 3)
Advances in Veterinary Medicine     Full-text available via subscription   (Followers: 17)
Advances in Veterinary Science and Comparative Medicine     Full-text available via subscription   (Followers: 13)
African Journal of Wildlife Research     Full-text available via subscription   (Followers: 5)
American Journal of Animal and Veterinary Sciences     Open Access   (Followers: 11)
American Journal of Primatology     Hybrid Journal   (Followers: 14)
American Journal of Veterinary Research     Full-text available via subscription   (Followers: 31)
Analecta Veterinaria     Open Access  
Anatomia, Histologia, Embryologia: Journal of Veterinary Medicine Series C     Hybrid Journal   (Followers: 3)
Animal Behaviour     Hybrid Journal   (Followers: 170)
Animal Feed Science and Technology     Hybrid Journal   (Followers: 5)
Animal Health Research Reviews     Hybrid Journal   (Followers: 3)
Animal Nutrition     Open Access   (Followers: 17)
Animal Reproduction     Open Access   (Followers: 3)
Animal Reproduction Science     Hybrid Journal   (Followers: 6)
Animals     Open Access   (Followers: 10)
Annual Review of Animal Biosciences     Full-text available via subscription   (Followers: 3)
Anthrozoos : A Multidisciplinary Journal of The Interactions of People & Animals     Hybrid Journal   (Followers: 9)
Archives of Animal Nutrition     Hybrid Journal   (Followers: 7)
Archivos de Medicina Veterinaria     Open Access   (Followers: 1)
Arquivo Brasileiro de Medicina Veterinária e Zootecnia     Open Access  
Ars Veterinaria     Open Access  
Asian Journal of Medical and Biological Research     Open Access   (Followers: 3)
Asian Journal of Poultry Science     Open Access   (Followers: 3)
Australian Equine Veterinarian     Full-text available via subscription   (Followers: 5)
Australian Veterinary Journal     Hybrid Journal   (Followers: 24)
Avances en Ciencias Veterinarias     Open Access  
Avian Diseases     Full-text available via subscription   (Followers: 8)
Avian Pathology     Hybrid Journal   (Followers: 2)
Bangladesh Journal of Animal Science     Open Access   (Followers: 2)
Bangladesh Journal of Veterinary Medicine     Open Access   (Followers: 2)
Bangladesh Veterinarian     Open Access  
BMC Veterinary Research     Open Access   (Followers: 14)
Brazilian Journal of Veterinary Medicine     Open Access  
Brazilian Journal of Veterinary Research and Animal Science     Open Access   (Followers: 7)
Buletin Peternakan : Bulletin of Animal Science     Open Access   (Followers: 1)
Buletin Veteriner Udayana     Open Access   (Followers: 3)
Bulletin of Animal Health and Production in Africa     Full-text available via subscription   (Followers: 2)
Bulletin of the Veterinary Institute in Pulawy     Open Access   (Followers: 1)
Bulletin of University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca : Food Science and Technology     Open Access  
Canadian Journal of Veterinary Research     Full-text available via subscription   (Followers: 11)
Case Reports in Veterinary Medicine     Open Access   (Followers: 6)
Ciência Animal Brasileira     Open Access   (Followers: 1)
Ciência Rural     Open Access   (Followers: 2)
Cogent Food & Agriculture     Open Access   (Followers: 3)
Companion Animal     Full-text available via subscription   (Followers: 9)
Domestic Animal Endocrinology     Hybrid Journal   (Followers: 6)
Equine Health     Full-text available via subscription   (Followers: 4)
Equine Veterinary Education     Hybrid Journal   (Followers: 9)
Equine Veterinary Journal     Hybrid Journal   (Followers: 18)
Ethiopian Veterinary Journal     Open Access   (Followers: 4)
Eurasian Journal of Veterinary Sciences     Open Access   (Followers: 1)
FAVE Sección Ciencias Veterinarias     Open Access  
Folia Veterinaria     Open Access  
Frontiers in Veterinary Science     Open Access   (Followers: 2)
GISAP : Biology, Veterinary Medicine and Agricultural Sciences     Open Access  
Global Journal of Animal Scientific Research     Open Access   (Followers: 1)
Human & Veterinary Medicine - International Journal of the Bioflux Society     Open Access   (Followers: 8)
ILAR Journal     Hybrid Journal   (Followers: 2)
In Practice     Full-text available via subscription   (Followers: 2)
Indian Journal of Animal Sciences     Open Access   (Followers: 6)
Indian Journal of Veterinary Anatomy     Full-text available via subscription   (Followers: 3)
Indonesia Medicus Veterinus     Open Access   (Followers: 1)
Intas Polivet     Full-text available via subscription   (Followers: 3)
International Journal of Tropical Veterinary and Biomedical Research     Open Access  
International Journal of Veterinary Science and Medicine     Open Access   (Followers: 4)
Irish Veterinary Journal     Open Access   (Followers: 5)
Japanese Journal of Veterinary Research     Open Access   (Followers: 1)
Journal of Veterinary Science & Technology     Open Access   (Followers: 7)
Journal of Advanced Veterinary and Animal Research     Open Access   (Followers: 6)
Journal of Advanced Veterinary Research     Open Access   (Followers: 1)
Journal of Animal Physiology and Animal Nutrition     Hybrid Journal   (Followers: 6)
Journal of Animal Science and Technology     Open Access   (Followers: 2)
Journal of Applied Animal Nutrition     Hybrid Journal   (Followers: 3)
Journal of Avian Medicine and Surgery     Full-text available via subscription   (Followers: 8)
Journal of Buffalo Science     Hybrid Journal   (Followers: 2)
Journal of Equine Veterinary Science     Hybrid Journal   (Followers: 13)
Journal of Exotic Pet Medicine     Full-text available via subscription   (Followers: 3)
Journal of Feline Medicine & Surgery     Hybrid Journal   (Followers: 6)
Journal of Feline Medicine and Surgery Open Reports     Open Access   (Followers: 2)
Journal of Research in Forestry, Wildlife and Environment     Open Access   (Followers: 4)
Journal of Small Animal Practice     Hybrid Journal   (Followers: 16)
Journal of the American Veterinary Medical Association     Full-text available via subscription   (Followers: 43)
Journal of the Selva Andina Research Society     Open Access   (Followers: 2)
Journal of the South African Veterinary Association     Open Access   (Followers: 1)
Journal of Venomous Animals and Toxins     Open Access   (Followers: 3)
Journal of Veterinary Behavior: Clinical Applications and Research     Hybrid Journal   (Followers: 2)
Journal of Veterinary Cardiology     Full-text available via subscription   (Followers: 7)
Journal of Veterinary Dentistry     Full-text available via subscription   (Followers: 1)
Journal of Veterinary Diagnostic Investigation     Hybrid Journal   (Followers: 7)
Journal of Veterinary Emergency and Critical Care     Hybrid Journal   (Followers: 17)
Journal of Veterinary Internal Medicine     Open Access   (Followers: 26)
Journal of Veterinary Medical Education     Partially Free   (Followers: 11)
Journal of Veterinary Medicine     Open Access   (Followers: 13)
Journal of Veterinary Medicine and Animal Health     Open Access   (Followers: 10)
Journal of Veterinary Pharmacology and Therapeutics     Hybrid Journal   (Followers: 6)
Journal of Veterinary Research     Open Access   (Followers: 2)
Journal of Veterinary Science & Medical Diagnosis     Hybrid Journal   (Followers: 5)
Journal of Zoo and Wildlife Medicine     Full-text available via subscription   (Followers: 7)
Jurnal Agripet     Open Access   (Followers: 1)
Jurnal Ilmu dan Kesehatan Hewan (Veterinary Science and Medicine Journal)     Open Access   (Followers: 1)
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: 2)
Macedonian Veterinary Review     Open Access   (Followers: 1)
Medical Mycology     Open Access   (Followers: 4)
Medical Mycology Case Reports     Open Access  
Medicina Veterinária (UFRPE)     Open Access  
Microbes and Health     Open Access   (Followers: 1)
New Zealand Veterinary Journal     Full-text available via subscription   (Followers: 12)
New Zealand Veterinary Nurse     Full-text available via subscription   (Followers: 2)
Nigerian Veterinary Journal     Open Access  
Nutrición Animal Tropical     Open Access   (Followers: 2)
Onderstepoort Journal of Veterinary Research     Open Access   (Followers: 5)
Open Access Animal Physiology     Open Access   (Followers: 4)
Open Journal of Animal Sciences     Open Access   (Followers: 4)
Open Journal of Veterinary Medicine     Open Access   (Followers: 3)
Pesquisa Veterinária Brasileira     Open Access  
pferde spiegel     Hybrid Journal  
Polish Journal of Veterinary Sciences     Open Access   (Followers: 2)
Preventive Veterinary Medicine     Hybrid Journal   (Followers: 11)
REDVET. Revista Electrónica de Veterinaria     Open Access  
Reproduction in Domestic Animals     Hybrid Journal   (Followers: 1)
Research in Veterinary Science     Hybrid Journal   (Followers: 10)
Research Journal of Veterinary Sciences     Open Access   (Followers: 8)
Revista Acadêmica : Ciência Animal     Open Access  
Revista Brasileira de Ciência Veterinária     Open Access  
Revista Brasileira de Higiene e Sanidade Animal     Open Access   (Followers: 1)
Revista Brasileira de Parasitologia Veterinaria     Open Access  
Revista Brasileira de Zootecnia     Open Access   (Followers: 2)
Revista Ciencias Veterinarias     Open Access  
Revista Científica     Open Access  
Revista Colombiana de Ciencias Pecuarias (Colombian journal of animal science and veterinary medicine)     Open Access   (Followers: 1)
Revista Complutense de Ciencias Veterinarias     Open Access  
Revista da Sociedade Brasileira de Ciência em Animais de Laboratório     Open Access  
Revista de Ciência Veterinária e Saúde Pública     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  
SA Stud Breeder / SA Stoetteler     Full-text available via subscription  
Schweizer Archiv für Tierheilkunde     Hybrid Journal  
Science and Animal Health     Open Access  
Scientific Journal of Animal Science     Open Access   (Followers: 5)
Scientific Journal of Veterinary Advances     Open Access   (Followers: 1)
Small Ruminant Research     Hybrid Journal   (Followers: 3)
South African Journal of Wildlife Research     Open Access   (Followers: 1)
Spei Domus     Open Access  
Tanzania Veterinary Journal     Full-text available via subscription   (Followers: 1)
team.konkret     Open Access  
The Dairy Mail     Full-text available via subscription   (Followers: 2)
The Professional Animal Scientist     Hybrid Journal  
Theriogenology     Hybrid Journal   (Followers: 1)
Tierärztliche Praxis Großtiere     Hybrid Journal  
Tierärztliche Praxis Kleintiere     Hybrid Journal  
Topics in Companion Animal Medicine     Hybrid Journal   (Followers: 3)
Transboundary and Emerging Diseases     Hybrid Journal   (Followers: 4)
Trends in Parasitology     Full-text available via subscription   (Followers: 12)
Tropical Animal Health and Production     Hybrid Journal  
Tropical Animal Science Journal     Open Access   (Followers: 2)
Tropical Veterinarian     Full-text available via subscription   (Followers: 1)
veterinär spiegel     Hybrid Journal   (Followers: 1)
Veterinaria     Open Access   (Followers: 1)
Veterinária e Zootecnia     Open Access  
Veterinária em Foco     Open Access  
Veterinaria México     Open Access  
Veterinária Notícias     Open Access  
Veterinarski Glasnik     Open Access  
Veterinary Anaesthesia and Analgesia     Hybrid Journal   (Followers: 11)
Veterinary and Comparative Oncology     Hybrid Journal   (Followers: 12)
Veterinary and Comparative Orthopaedics and Traumatology (VCOT)     Hybrid Journal   (Followers: 6)
Veterinary Clinical Pathology     Hybrid Journal   (Followers: 7)
Veterinary Clinics of North America: Equine Practice     Full-text available via subscription   (Followers: 11)
Veterinary Clinics of North America: Exotic Animal Practice     Full-text available via subscription   (Followers: 6)
Veterinary Clinics of North America: Food Animal Practice     Full-text available via subscription   (Followers: 6)
Veterinary Clinics of North America: Small Animal Practice     Full-text available via subscription   (Followers: 21)
Veterinary Dermatology     Hybrid Journal   (Followers: 7)
Veterinary Immunology and Immunopathology     Hybrid Journal   (Followers: 12)
Veterinary Journal     Hybrid Journal   (Followers: 17)
Veterinary Medicine and Animal Sciences     Open Access   (Followers: 4)
Veterinary Medicine and Science     Open Access   (Followers: 2)
Veterinary Medicine International     Open Access   (Followers: 6)
Veterinary Medicine: Research and Reports     Open Access   (Followers: 2)
Veterinary Microbiology     Hybrid Journal   (Followers: 8)
Veterinary Nurse     Full-text available via subscription   (Followers: 4)
Veterinary Nursing Journal     Hybrid Journal   (Followers: 3)

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Journal Cover Veterinaria México
  [SJR: 0.122]   [H-I: 7]   [0 followers]  Follow
  This is an Open Access Journal Open Access journal
   ISSN (Print) 0301-5092
   Published by SciELO Homepage  [715 journals]
  • The use of a univariate time series model to short term forecast the
           behaviour of beef production in Baja California, Mexico

    • Abstract: Con el fin de pronosticar la producción de carne de bovino en Baja California, México, se utilizó el método de Box-Jenkins para seleccionar un modelo autorregresivo de promedios móviles (ARMA). Para ello se usó la información de canales de bovinos procesadas mensualmente en los rastros del estado durante el periodo de 2003 a 2010. Debido a que la inspección de la gráfica de la serie y el correlograma de la misma no permitieron establecer la estacionariedad, se aplicó la prueba de Dickey-Fuller aumentada, en la que se encontró que la serie era estacionaria. Como resultado del procedimiento de identificación se seleccionaron los modelos AR(1) y ARMA (2,1), los cuales se estimaron utilizando mínimos cuadrados; se compararon ambos modelos con base en la significancia de sus coeficientes de regresión y los estadísticos de Akaike y Schwartz. Se llevó a cabo una evaluación diagnóstica para revisar la bondad de ajuste de los modelos mediante la gráfica de los residuales; el valor de los estadísticos Q se utilizó para determinar la ausencia de autocorrelación en los modelos propuestos. Debido a que los resultados fueron similares, se llevó a cabo una evaluación de la eficiencia predictiva de ambos modelos utilizando una serie de estadísticos. Los resultados de estas pruebas indicaron que el modelo ARMA (2,1) presentaba una mejor capacidad predictiva, que fue corroborada mediante una gráfica conjunta de la serie actual y la pronosticada, y una predicción para el mes de enero de 2011. Los resultados respaldan el uso de modelos ARMA para obtener, a corto plazo, predicciones de la producción de carne en Baja California.The Box-Jenkins methodology was used to select an ARMA model to forecast beef production in Baja California, Mexico. The series of bovine carcasses processed monthly in the state's slaughterhouses between 2003 and 2010 was used. Because the inspection of the series graph and correlogram did not determine a stationary behavior, an augmented Dickey-Fuller test was performed and it was found that the series was stationary. As a result of identification procedure, an AR (1) and an ARMA (2, 1) models were selected and estimated using ordinary least squares. The estimated models were compared using the significance of the regression coefficient and the Akaike information and Schwartz Bayesian criteria. A diagnostic check was done examining the goodness of fit of the models by plotting the residuals; the Q statistic was used to test for autocorrelation. Because the results were similar, a predictive efficacy evaluation of two models was carried out using a group of forecast error statistics. The result of these tests indicated that the ARMA (2,1) had a better forecasting capability, this was supported by plotting together a forecasted series with the actual series and the out-of sample prediction for January of 2011. The results support the use of ARMA models to obtain reliable short term forecasts of beef production in Baja California.
  • Transmission of Brucella abortus to female calves younger than three
           months of age, diagnosed by the card and radial immunodiffusion tests in
           two dairy herds in the state of Queretaro, Mexico

    • Abstract: La transmisión de Brucella abortus a becerras de vacas positivas y negativas se determinó a la primera semana de vida y al tercer mes de edad. Se trabajó con dos hatos: el hato 1, con 670 vacas en producción, presentaba una seroprevalencia a brucelosis de 21.6% (145/670). En este hato se formaron dos grupos: vacas positivas y vacas negativas, como resultado de las pruebas de tarjeta y de inmunodifusión radial (IDR) realizadas con hapteno nativo. Se tomaron pruebas de sangre de las vacas en dos ocasiones, a la semana de edad y antes de que los animales fueran vacunados contra B. abortus. De las 22 vacas del grupo positivo, 2 (9.1%) becerras resultaron positivas a la primera semana de vida, pero no se encontraron vacas positivas a los tres meses de edad. En el grupo de becerras nacidas de vacas negativas no se encontraron animales positivos a la semana de vida, pero a los tres meses de edad, 4 de las 22 becerras resultaron positivas con la prueba de IDR. La tasa de prevalencia de vacas positivas a B. abortus fue de 13.6% a los tres meses de edad. De las 20 muestras de leche obtenidas de este hato se aisló B. abortus (100%). Mediante PCR se confirmó que estas cepas correspondían a cepas de campo y no a cepas vacunales. El hato 2, con 1800 vacas en producción, estaba inscrito en la campaña nacional contra la brucelosis animal y presentaba una seroprevalencia de 1.94% (35/1800) detectada de enero a diciembre de 2009. Se analizaron 1 170 registros usando los resultados de las pruebas de tarjeta y rivanol aplicada en becerras menores de tres meses de edad, de las que 24 (2.1%) resultaron positivas a B. abortus de enero de 2009 a junio de 2010. Se concluye que es necesario realizar el diagnóstico de brucelosis en becerras nacidas en establos donde se ha presentado la enfermedad, para prevenir que permanezcan animales positivos en el hato, ya que los anticuerpos posvacunales impedirán detectar la enfermedad, pero posteriormente se manifestará mediante abortos durante la primera gestación, perpetuando así la brucelosis en el establo.Transmission of Brucella abortus to female calves from positive and negative cows was determined in the first week and third month of age. Two herds were used. Herd 1 consisted of 670 milking cows with a brucellosis seroprevalence of 21.6% (145/670). In this herd, groups of positive and negative cows were formed using the card and radial immunodifussion (RID) tests with native hapten. Blood samples were taken from female calves on two occasions: at one week of age and before animals were vaccinated against B. abortus. Of the 22 calves from the positive group, two (9.1%) were positive in the first week of life, but no more positive calves were found at three months of age. In the group of female calves born to negative cows, there were no positive animals at one week of age, but four out of 22 were found positive with the RID test at three months of age. A prevalence rate of 13.6% of positive calves for B. abortus in the third month of age was calculated. Twenty milk samples were obtained from this herd and B. abortus was isolated from all of them (100%). Using PCR, the strains found were confirmed to be field strains and not vaccine strains. Herd 2 consisted of 1800 milking cows, participating in the National Campaign against Animal Brucellosis, that had a seroprevalence of 1.94% (35/1800) detected from January to December 2009. In this herd, 1 170 records were analyzed using the results of the card and rivanol tests obtained from female calves younger than three months of age, of which 24 (2.1%) were found positive for B. abortus from January 2009 to June 2010. It is concluded that the diagnosis of brucellosis is necessary in female calves born in dairies to cows that have the disease, in order to prevent positive animals from remaining in the herd. Vaccine-induced antibodies will avert disease detection, but brucellosis will later manifest itself through abortions during first pregnancies, thus perpetuating the disease in dairies.
  • Characterization of capsular types of Pasteurella multocida isolated from
           clinically healthy beef cattle pharyngeal exudate in the state of

    • Abstract: El objetivo del presente estudio fue identificar y caracterizar los tipos capsulares de P. multocida en exudado faríngeo en bovinos destinados a la producción de carne en el estado de Querétaro. Se obtuvieron, mediante hisopo, 227 muestras de exudado faríngeo de animales clínicamente sanos en una planta de sacrificio ubicada en el municipio de Ezequiel Montes, Querétaro. Las muestras se sembraron en agar sangre y se incubaron a 37°C por 24 h en aerobiosis. Las cepas aisladas fueron identificadas mediante características morfológicas, pruebas bioquímicas convencionales y el microsistema comercial API 20NE. La tipificación de los grupos capsulares A y D se realizó por medio de una PCR múltiple para la amplificación de los genes hyaD-hyaC y dcbF, respectivamente. De acuerdo con los valores establecidos por el software API WEB, se logró la identificación de 14.09% (32/227) de cepas de P. multocida, que mostraron 96% de identidad y una tipicidad de 1 a P. multocida. Por medio de la PCR múltiple se logró la amplificación de los genes hyaD-hyaC correspondientes al grupo capsular A en el 100% (32/32) de las cepas identificadas previamente como P. multocida. No existen datos similares en México sobre la identificación y caracterización de P. multocida en bovinos destinados a la producción de carne. Con los resultados obtenidos se corrobora que, de manera similar a otros países de Europa y América, en México el grupo capsular predominante de P. multocida es el A.The objective of the present study was to identify and characterize capsular types of P. multocida isolated from beef cattle pharyngeal exudate in the state of Querétaro. Two hundred and twenty seven pharyngeal exudate swab samples from clinically healthy animals in a slaughterhouse in the municipality of Ezequiel Montes, Querétaro were obtained. Samples were seeded in blood agar and incubated at 37°C for 24 h under aerobiosis. Strains were identified through morphological characteristics, conventional biochemical tests and commercial API 20NE Micro-System. Capsular typing of groups A and D was performed by a multiplex PCR for amplification of genes hyaD-hyaC and dcbF, respectively. According to the values established by API WEB software, it was possible to identify 14.09% (32/227) of P. multocida strains, which showed an identification percentage of 96% and a typicality of 1 to P. multocida. By multiplex PCR, the amplification of genes hyaD-hyaC, correspondent to capsular group A in 100% (32/32) of the strains previously identified as P. multocida, was achieved. There are no similar data in Mexico on the identification and characterization of P. multocida in beef cattle. With the results obtained it is confirmed that, in a similar way with other countries of Europe and America, capsular type A of P. multocida is predominant in Mexico.
  • Metacestode of Taenia solium inactivation by composting: a feasible
           alternative in rural areas of Mexico

    • Abstract: La cisticercosis causada por el metacestodo de la Taenia solium afecta al cerdo y es causa de decomiso obligatorio. La composta es un medio alternativo para depositar decomisos y otros desechos animales, ya que inactiva y destruye patógenos presentes en canales. En el presente estudio se evaluó el compostaje para la inactivación de metacestodos de T solium. Para ello se construyeron siete pilas de composta en forma de cono, divididas según su profundidad en tres zonas y cada una en cuatro partes, donde se colocó carne contaminada. Se realizaron muestreos a las 24, 36, 48 y 72 h, y se sometieron a la prueba de evaginación in vitro. El tiempo máximo para la inactivación total de los cisticercos fue de 48 h. La carne quedó incorporada a la composta desde los 7 días. No se encontró diferencia significativa (P > 0.05) entre la inactivación de cisticercos en los distintos niveles de las compostas, pero sí con respecto al exterior, por lo que se consideró efectiva cualquier zona para la inactivación de cisticercos de T. solium viables.Cysticercosis by Taenia solium metacestode affects pigs, giving ground for meat confiscation. Composting is an alternative disposition method for confiscated carcasses and other animal debris, inactivating and destroying pathogens in the carcasses. In this study, composting was evaluated as a method to inactivate T. solium metacestodes. Seven compost cone-shaped piles were built, and three depth-zones were defined within them. Each zone was divided into 4 subzones, and a portion of contaminated meat was introduced into each subzone. Meat was sampled at 24, 36, 48, and 72 h and tested for evagination in vitro. The maximum required time for cysticercus inactivation was 48 h. Meat was incorporated to compost after 7 days. No significant differences were found in cysticercus inactivation among the compost zones (P > 0.05), but significant differences were found with respect to the outside. Therefore, all zones were regarded equally effective to inactivate viable T. solium cysticerci.
  • Stress factors in weaned piglet

    • Abstract: Hoy en día, las modernas técnicas de producción porcina exigen cada vez más destetes tempranos. Sin embrago, el destete representa una de las etapas más críticas en la vida productiva del cerdo, debido a que durante ella se suman una serie de factores estresantes y cambios fisiológicos. En la presente revisión se analizan los factores más importantes que causan estrés durante esta etapa, como la separación de la cerda, el transporte, el cambio de alimento, el alojamiento en nuevas instalaciones y el agrupamiento con lechones extraños. La interacción de los lechones con estos factores estresantes incrementa el nivel de estrés que representa, per se, la separación de la cerda y el lechón durante el destete, ya que habitualmente originan "retraso en el crecimiento", además de aumento de la susceptibilidad frente a agentes patógenos entéricos causantes de enfermedades. Por ello, los distintos factores que afectan la fisiología, el metabolismo y el comportamiento del lechón deben ser controlados adecuadamente. Se concluye que el conocimiento de la biología de la especie y un entrenamiento adecuado del personal, son necesarios para disminuir los problemas de bienestar del lechón destetado, por lo que, con el fin de evitarlos, se recomiendan algunas prácticas derivadas de los hallazgos presentados.Nowadays, modern swine production techniques promote early weaning. Weaning constitutes one of the most critical stages in the productive life of swine as it is a phase that entails a whole series of stressful factors and physiological changes. This review examines the most important factors that cause stress during this stage, including: separation from the sow, transport, changes in alimentation, lodging in different installations, and being grouped together with strange piglets. The interaction of young pigs with all these stressor factors exercises a cumulative effect that intensifies the level of stress they experience during separation from the sow during the weaning process itself, an event that frequently results in "delayed growth" accompanied by an increased susceptibility to disease-causing, enteric pathogenic agents. For these reasons, it is important to adequately control the variety of factors that affect the physiology, metabolism and behavior of piglets. The conclusion is that both knowledge of the biology of the species and suitable personnel training are necessary to reduce the problems that arise from these issues related to the welfare of weaned piglets. Finally, this study recommends some practices derived from the findings presented, with a view to improving the welfare of recently weaned piglets.
  • Coprological and ultrasonographic study in dogs and sheep of a suburban
           community in the Estado de México in search of Echinococcus spp

    • Abstract: El presente estudio se llevó a cabo en una comunidad suburbana del Estado de México para identificar Echinococcus spp, debido a que en un estudio previo se identificó un caso de equinococosis quística (EQ) humana. Se visitaron 91% (406/446) de las viviendas y se obtuvo el consentimiento verbal de los propietarios de perros; se aplicó un cuestionario relacionado con sus animales y se obtuvo una muestra de heces. Se encontró que 14% de los dueños de perros los alimentaban con visceras crudas de animales de abasto; este resultado no tuvo significancia estadística. Los estudios coprológicos mostraron abundantes huevos de Ancylostoma y Toxocara, por lo que se recomendó a los propietarios la desparasitación de sus animales. Aquellos perros que tenían huevos de Taenia spp fueron desparasitados y se recuperaron adultos de Taenia pisiformis, no de Echinococcus spp. La mayoría de los borregos de la comunidad se estudiaron por ultrasonido, y las visceras de aquéllos que fueron sacrificados se examinaron durante la necropsia; en ambos casos se confirmó la ausencia de EQ. Llama la atención que aunque no se encontraron evidencias de Echinococcus spp en animales, el antecedente de un caso humano autóctono de EQ, sumado a prácticas propicias para el mantenimiento del ciclo de vida de este parásito, sugieren que la equinococosis en México tiene un patrón de comportamiento aleatorio.The study described here was performed in a suburban community of the Estado de México to Echinococcus spp, since a human case of cystic echinococcosis (CE) was identified previously. Overall, 91% (406/446) of the houses were visited and oral informed consent was obtained from dog owners; a questionnaire related to their dogs was applied and a coprological sample was obtained. It was found that 14% of dog owners fed them with raw livestock viscera. Coprological studies showed that eggs of Ancylostoma and Toxocara were the most abundant, thus deworming was recommended to all owners. Dogs with Taenia spp eggs were treated and Taenia pisiformis adults were released, not from Echinococcus spp. Most sheep in the community were studied by ultrasound and viscera of those slaughtered, were visually inspected; confirming the absence of CE. Interestingly, although no evidences of Echinococcus spp were found in animals, an autochthonous human case of CE was detected in 2006; this, added to proper practices for maintaining the life cycle of this parasite, suggests that echinococcosis in Mexico has a random behavioral pattern.
School of Mathematical and Computer Sciences
Heriot-Watt University
Edinburgh, EH14 4AS, UK
Tel: +00 44 (0)131 4513762
Fax: +00 44 (0)131 4513327
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