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Publisher: Cambridge University Press   (Total: 365 journals)

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Showing 1 - 200 of 365 Journals sorted alphabetically
Acta Neuropsychiatrica     Hybrid Journal   (Followers: 4, SJR: 0.421, h-index: 23)
Acta Numerica     Hybrid Journal   (Followers: 3, SJR: 8.044, h-index: 35)
Advances in Animal Biosciences     Full-text available via subscription   (Followers: 8)
Advances in Applied Mathematics and Mechanics     Full-text available via subscription   (SJR: 0.74, h-index: 14)
Africa     Hybrid Journal   (Followers: 19, SJR: 1.02, h-index: 28)
African Studies Review     Full-text available via subscription   (Followers: 18, SJR: 0.532, h-index: 13)
Ageing & Society     Hybrid Journal   (Followers: 37, SJR: 0.87, h-index: 55)
Agricultural and Resource Economics Review     Open Access   (Followers: 5, SJR: 0.326, h-index: 19)
AI EDAM     Hybrid Journal   (SJR: 0.438, h-index: 40)
AJS Review     Full-text available via subscription   (Followers: 2, SJR: 0.203, h-index: 4)
American Political Science Review     Hybrid Journal   (Followers: 249, SJR: 6.112, h-index: 127)
Anatolian Studies     Full-text available via subscription   (Followers: 4, SJR: 0.482, h-index: 10)
Ancient Mesoamerica     Hybrid Journal   (Followers: 10, SJR: 0.507, h-index: 29)
Anglo-Saxon England     Hybrid Journal   (Followers: 33, SJR: 0.144, h-index: 12)
animal     Hybrid Journal   (Followers: 3, SJR: 1.098, h-index: 43)
Animal Health Research Reviews     Hybrid Journal   (Followers: 3, SJR: 0.838, h-index: 41)
Animal Science     Full-text available via subscription   (Followers: 9)
Annals of Actuarial Science     Full-text available via subscription   (Followers: 1)
Annual of the British School at Athens     Full-text available via subscription   (Followers: 15, SJR: 0.101, h-index: 9)
Annual Review of Applied Linguistics     Hybrid Journal   (Followers: 36, SJR: 0.753, h-index: 22)
Antarctic Science     Hybrid Journal   (Followers: 1, SJR: 0.728, h-index: 55)
Antichthon     Full-text available via subscription   (Followers: 1, SJR: 0.126, h-index: 2)
Antiquaries J., The     Full-text available via subscription   (Followers: 8, SJR: 0.156, h-index: 3)
Antiquity     Hybrid Journal   (Followers: 26, SJR: 1.133, h-index: 54)
ANZIAM J.     Open Access   (Followers: 1, SJR: 0.151, h-index: 17)
Applied Psycholinguistics     Hybrid Journal   (Followers: 19, SJR: 1.005, h-index: 59)
APSIPA Transactions on Signal and Information Processing     Open Access   (Followers: 8, SJR: 0.339, h-index: 4)
Arabic Sciences and Philosophy     Hybrid Journal   (Followers: 9, SJR: 0.138, h-index: 13)
Arbor Clinical Nutrition Updates     Full-text available via subscription   (Followers: 3)
Archaeological Dialogues     Hybrid Journal   (Followers: 33, SJR: 0.67, h-index: 17)
Archaeological Reports     Full-text available via subscription   (Followers: 5, SJR: 0.101, h-index: 1)
arq: Architectural Research Quarterly     Hybrid Journal   (Followers: 7, SJR: 0.101, h-index: 3)
Asian J. of Comparative Law     Hybrid Journal   (Followers: 9, SJR: 0.127, h-index: 5)
Asian J. of Intl. Law     Hybrid Journal   (Followers: 12, SJR: 0.218, h-index: 5)
Asian J. of Law and Society     Hybrid Journal   (Followers: 6, SJR: 0.179, h-index: 3)
Astin Bulletin     Full-text available via subscription   (Followers: 1, SJR: 0.979, h-index: 19)
Australasian J. of Organisational Psychology     Hybrid Journal   (Followers: 8)
Australasian J. of Special Education     Full-text available via subscription   (Followers: 7, SJR: 0.199, h-index: 6)
Australian J. of Environmental Education     Full-text available via subscription   (Followers: 7, SJR: 0.299, h-index: 5)
Australian J. of Indigenous Education, The     Full-text available via subscription   (Followers: 9, SJR: 0.293, h-index: 4)
Australian J. of Rehabilitation Counseling     Full-text available via subscription   (Followers: 4, SJR: 0.114, h-index: 1)
Austrian History Yearbook     Full-text available via subscription   (Followers: 8, SJR: 0.127, h-index: 3)
Behavioral and Brain Sciences     Hybrid Journal   (Followers: 32, SJR: 0.826, h-index: 127)
Behaviour Change     Full-text available via subscription   (Followers: 12, SJR: 0.362, h-index: 27)
Behavioural and Cognitive Psychotherapy     Hybrid Journal   (Followers: 136, SJR: 0.831, h-index: 47)
Bilingualism: Language and Cognition     Hybrid Journal   (Followers: 37, SJR: 1.359, h-index: 33)
Biofilms     Full-text available via subscription   (Followers: 1)
Bird Conservation Intl.     Hybrid Journal   (Followers: 23, SJR: 0.831, h-index: 29)
BJPsych Advances     Full-text available via subscription   (Followers: 51)
Brain Impairment     Full-text available via subscription   (Followers: 2, SJR: 0.31, h-index: 13)
Breast Cancer Online     Full-text available via subscription   (Followers: 4)
Britannia     Full-text available via subscription   (Followers: 7, SJR: 0.112, h-index: 0)
British Actuarial J.     Full-text available via subscription  
British Catholic History     Hybrid Journal   (Followers: 1)
British J. for the History of Science     Hybrid Journal   (Followers: 20, SJR: 0.804, h-index: 21)
British J. of Anaesthetic and Recovery Nursing     Full-text available via subscription   (Followers: 7)
British J. of Music Education     Hybrid Journal   (Followers: 23, SJR: 0.391, h-index: 8)
British J. Of Nutrition     Hybrid Journal   (Followers: 72, SJR: 1.587, h-index: 139)
British J. of Political Science     Hybrid Journal   (Followers: 156, SJR: 2.505, h-index: 63)
British J. of Psychiatry     Hybrid Journal   (Followers: 178, SJR: 2.674, h-index: 178)
Bulletin of Entomological Research     Hybrid Journal   (Followers: 10, SJR: 0.918, h-index: 54)
Bulletin of Symbolic Logic     Full-text available via subscription   (Followers: 2, SJR: 1.405, h-index: 26)
Bulletin of the Australian Mathematical Society     Full-text available via subscription   (Followers: 1, SJR: 0.488, h-index: 30)
Bulletin of the School of Oriental and African Studies     Hybrid Journal   (Followers: 18, SJR: 0.122, h-index: 11)
Business and Human Rights J.     Full-text available via subscription   (Followers: 3)
Business Ethics Quarterly     Full-text available via subscription   (Followers: 12, SJR: 1.534, h-index: 46)
Business History Review     Full-text available via subscription   (Followers: 14, SJR: 0.291, h-index: 20)
Cambridge Archaeological J.     Hybrid Journal   (Followers: 121, SJR: 0.743, h-index: 32)
Cambridge Classical J.     Full-text available via subscription   (Followers: 18, SJR: 0.101, h-index: 6)
Cambridge J. of Postcolonial Literary Inquiry     Hybrid Journal   (Followers: 6)
Cambridge Law J.     Hybrid Journal   (Followers: 152, SJR: 0.173, h-index: 3)
Cambridge Opera J.     Hybrid Journal   (Followers: 5, SJR: 0.227, h-index: 9)
Cambridge Quarterly of Healthcare Ethics     Hybrid Journal   (Followers: 11, SJR: 0.295, h-index: 25)
Camden Fifth Series     Full-text available via subscription   (Followers: 2)
Canadian Entomologist     Hybrid Journal   (Followers: 5, SJR: 0.388, h-index: 34)
Canadian J. of Emergency Medicine     Hybrid Journal   (Followers: 11, SJR: 0.532, h-index: 32)
Canadian J. of Law & Jurisprudence     Full-text available via subscription   (Followers: 9)
Canadian J. of Law and Society     Hybrid Journal   (Followers: 19, SJR: 0.247, h-index: 6)
Canadian J. of Neurological Sciences     Full-text available via subscription   (SJR: 0.477, h-index: 53)
Canadian J. of Political Science/Revue canadienne de science politique     Full-text available via subscription   (Followers: 23, SJR: 1.161, h-index: 23)
Canadian J. on Aging     Hybrid Journal   (Followers: 10, SJR: 0.292, h-index: 29)
Canadian Yearbook of Intl. Law / Annuaire canadien de droit international     Full-text available via subscription   (Followers: 1)
Cardiology in the Young     Hybrid Journal   (Followers: 32, SJR: 0.312, h-index: 40)
Central European History     Full-text available via subscription   (Followers: 30, SJR: 0.201, h-index: 14)
Children Australia     Partially Free   (Followers: 2, SJR: 0.191, h-index: 2)
China Quarterly     Hybrid Journal   (Followers: 49, SJR: 1.058, h-index: 54)
Chinese J. of Agricultural Biotechnology     Full-text available via subscription   (Followers: 4)
Church History: Studies in Christianity and Culture     Full-text available via subscription   (Followers: 72, SJR: 0.113, h-index: 16)
Classical Quarterly     Full-text available via subscription   (Followers: 28, SJR: 0.151, h-index: 24)
Classical Review     Full-text available via subscription   (Followers: 24)
CNS Spectrums     Hybrid Journal   (Followers: 3, SJR: 0.885, h-index: 60)
Cognitive Behaviour Therapist     Hybrid Journal   (Followers: 12)
Combinatorics, Probability and Computing     Hybrid Journal   (Followers: 4, SJR: 1.013, h-index: 35)
Communications in Computational Physics     Full-text available via subscription   (Followers: 2, SJR: 1.198, h-index: 34)
Comparative Studies in Society and History     Full-text available via subscription   (Followers: 45, SJR: 0.725, h-index: 36)
Compositio Mathematica     Full-text available via subscription   (Followers: 1, SJR: 2.965, h-index: 37)
Contemporary European History     Hybrid Journal   (Followers: 25, SJR: 0.369, h-index: 16)
Continuity and Change     Hybrid Journal   (Followers: 12, SJR: 0.266, h-index: 19)
Dance Research J.     Full-text available via subscription   (Followers: 8, SJR: 0.144, h-index: 5)
Development and Psychopathology     Hybrid Journal   (Followers: 8, SJR: 2.342, h-index: 131)
Dialogue Canadian Philosophical Review/Revue canadienne de philosophie     Full-text available via subscription   (Followers: 3, SJR: 0.126, h-index: 7)
Diamond Light Source Proceedings     Full-text available via subscription  
Disaster Medicine and Public Health Preparedness     Hybrid Journal   (Followers: 11, SJR: 0.274, h-index: 24)
Du Bois Review: Social Science Research on Race     Full-text available via subscription   (Followers: 8, SJR: 0.307, h-index: 5)
Early China     Hybrid Journal   (Followers: 3)
Early Music History     Hybrid Journal   (Followers: 8, SJR: 0.164, h-index: 8)
Earth and Environmental Science Transactions of the Royal Society of Edinburgh     Hybrid Journal   (Followers: 5, SJR: 0.325, h-index: 41)
East Asian J. on Applied Mathematics     Full-text available via subscription   (SJR: 0.424, h-index: 6)
Ecclesiastical Law J.     Full-text available via subscription   (Followers: 6, SJR: 0.1, h-index: 2)
Econometric Theory     Hybrid Journal   (Followers: 16, SJR: 2.219, h-index: 52)
Economics and Philosophy     Hybrid Journal   (Followers: 16, SJR: 0.624, h-index: 19)
Edinburgh J. of Botany     Hybrid Journal   (SJR: 0.324, h-index: 20)
Eighteenth-Century Music     Hybrid Journal   (Followers: 11, SJR: 0.1, h-index: 4)
English Language and Linguistics     Hybrid Journal   (Followers: 24, SJR: 0.387, h-index: 18)
English Profile J.     Hybrid Journal   (Followers: 2)
English Today     Hybrid Journal   (Followers: 9, SJR: 0.302, h-index: 4)
Enterprise & Society : The Intl. J. of Business History     Hybrid Journal   (Followers: 16, SJR: 0.452, h-index: 17)
Environment and Development Economics     Hybrid Journal   (Followers: 32, SJR: 0.617, h-index: 43)
Environmental Conservation     Hybrid Journal   (Followers: 58, SJR: 1.09, h-index: 66)
Environmental Practice     Full-text available via subscription   (Followers: 3, SJR: 0.304, h-index: 15)
Epidemiology & Infection     Hybrid Journal   (Followers: 15, SJR: 1.32, h-index: 85)
Epidemiology and Psychiatric Sciences     Hybrid Journal   (Followers: 3, SJR: 0.699, h-index: 28)
Episteme     Hybrid Journal   (Followers: 11, SJR: 0.678, h-index: 2)
Equine and Comparative Exercise Physiology     Full-text available via subscription   (Followers: 6)
Ergodic Theory and Dynamical Systems     Hybrid Journal   (Followers: 2, SJR: 1.456, h-index: 43)
Ethics & Intl. Affairs     Full-text available via subscription   (Followers: 11, SJR: 0.464, h-index: 6)
European Constitutional Law Review (EuConst)     Full-text available via subscription   (Followers: 31, SJR: 1.269, h-index: 15)
European J. of Applied Mathematics     Hybrid Journal   (SJR: 0.939, h-index: 34)
European J. of Sociology     Hybrid Journal   (Followers: 28, SJR: 0.241, h-index: 26)
European Political Science Review     Hybrid Journal   (Followers: 20, SJR: 0.524, h-index: 5)
European Review     Hybrid Journal   (Followers: 17, SJR: 0.119, h-index: 17)
Experimental Agriculture     Hybrid Journal   (Followers: 12, SJR: 0.486, h-index: 31)
Expert Reviews in Molecular Medicine     Hybrid Journal   (Followers: 1, SJR: 1.776, h-index: 60)
Fetal and Maternal Medicine Review     Hybrid Journal   (Followers: 4, SJR: 0.178, h-index: 14)
Financial History Review     Full-text available via subscription   (Followers: 14, SJR: 0.342, h-index: 11)
Foreign Policy Bulletin     Hybrid Journal   (Followers: 6)
Forum of Mathematics, Pi     Open Access   (Followers: 1)
Forum of Mathematics, Sigma     Open Access   (Followers: 1)
Genetics Research     Hybrid Journal   (Followers: 4, SJR: 0.52, h-index: 59)
Geological Magazine     Hybrid Journal   (Followers: 16, SJR: 1.119, h-index: 64)
Glasgow Mathematical J.     Full-text available via subscription   (Followers: 1, SJR: 0.748, h-index: 25)
Global Constitutionalism     Hybrid Journal   (Followers: 16)
Global Mental Health     Open Access   (Followers: 6)
Government and Opposition     Full-text available via subscription   (Followers: 20, SJR: 0.611, h-index: 32)
Greece & Rome     Partially Free   (Followers: 21, SJR: 0.136, h-index: 15)
Hague J. on the Rule of Law     Full-text available via subscription   (Followers: 12, SJR: 0.12, h-index: 11)
Harvard Theological Review     Full-text available via subscription   (Followers: 63, SJR: 0.237, h-index: 17)
Health Economics, Policy and Law     Hybrid Journal   (Followers: 25, SJR: 0.441, h-index: 21)
Hegel Bulletin     Full-text available via subscription   (Followers: 1)
High Power Laser Science and Engineering     Open Access   (Followers: 3)
Historical J.     Hybrid Journal   (Followers: 32, SJR: 0.337, h-index: 23)
History in Africa     Full-text available via subscription   (Followers: 8)
Horizons     Partially Free   (Followers: 1, SJR: 0.112, h-index: 3)
Industrial and Organizational Psychology     Hybrid Journal   (Followers: 20, SJR: 0.47, h-index: 18)
Infection Control and Hospital Epidemiology     Full-text available via subscription   (Followers: 34, SJR: 1.985, h-index: 108)
Intl. & Comparative Law Quarterly     Full-text available via subscription   (Followers: 162, SJR: 0.324, h-index: 25)
Intl. J. of Asian Studies     Hybrid Journal   (Followers: 12, SJR: 0.107, h-index: 1)
Intl. J. of Astrobiology     Hybrid Journal   (Followers: 2, SJR: 0.384, h-index: 18)
Intl. J. of Cultural Property     Full-text available via subscription   (Followers: 13, SJR: 0.154, h-index: 1)
Intl. J. of Disability Management Research     Full-text available via subscription   (Followers: 8, SJR: 0.179, h-index: 2)
Intl. J. of Law in Context     Hybrid Journal   (Followers: 16, SJR: 0.236, h-index: 5)
Intl. J. of Microwave and Wireless Technologies     Hybrid Journal   (Followers: 7, SJR: 0.232, h-index: 11)
Intl. J. of Middle East Studies     Hybrid Journal   (Followers: 64, SJR: 0.501, h-index: 28)
Intl. J. of Technology Assessment in Health Care     Hybrid Journal   (Followers: 12, SJR: 0.854, h-index: 54)
Intl. J. of Tropical Insect Science     Hybrid Journal   (Followers: 1, SJR: 0.299, h-index: 20)
Intl. Labor and Working-Class History     Full-text available via subscription   (Followers: 11, SJR: 0.262, h-index: 14)
Intl. Organization     Full-text available via subscription   (Followers: 86, SJR: 3.67, h-index: 106)
Intl. Psychogeriatrics     Hybrid Journal   (Followers: 13, SJR: 1.068, h-index: 68)
Intl. Review of Social History     Full-text available via subscription   (Followers: 23, SJR: 0.185, h-index: 16)
Intl. Review of the Red Cross     Full-text available via subscription   (Followers: 10, SJR: 0.275, h-index: 10)
Intl. Theory: A J. of Intl. Politics, Law and Philosophy     Hybrid Journal   (Followers: 19, SJR: 0.774, h-index: 4)
Iraq     Full-text available via subscription   (Followers: 2)
Irish Historical Studies     Hybrid Journal   (Followers: 5, SJR: 0.101, h-index: 8)
Irish J. of Psychological Medicine     Hybrid Journal   (Followers: 1, SJR: 0.107, h-index: 14)
Israel Law Review     Hybrid Journal   (Followers: 3, SJR: 0.12, h-index: 2)
Itinerario     Full-text available via subscription   (Followers: 8, SJR: 0.195, h-index: 4)
J. of African History     Hybrid Journal   (Followers: 21, SJR: 0.381, h-index: 25)
J. of African Law     Full-text available via subscription   (Followers: 3, SJR: 0.125, h-index: 6)
J. of Agricultural and Applied Economics     Open Access   (Followers: 1)
J. of Agricultural Science     Full-text available via subscription   (Followers: 6, SJR: 0.56, h-index: 51)
J. of American Studies     Hybrid Journal   (Followers: 20, SJR: 0.133, h-index: 9)
J. of Anglican Studies     Hybrid Journal   (Followers: 6, SJR: 0.101, h-index: 1)
J. of Applied Animal Nutrition     Hybrid Journal   (Followers: 3)
J. of Asian Studies     Full-text available via subscription   (Followers: 36, SJR: 0.331, h-index: 31)
J. of Benefit-Cost Analysis     Hybrid Journal   (Followers: 2)
J. of Biosocial Science     Hybrid Journal   (Followers: 3, SJR: 0.561, h-index: 41)
J. of British Studies     Full-text available via subscription   (Followers: 30, SJR: 0.306, h-index: 23)
J. of Child Language     Hybrid Journal   (Followers: 20, SJR: 0.787, h-index: 55)
J. of Dairy Research     Full-text available via subscription   (Followers: 7, SJR: 0.682, h-index: 60)
J. of Demographic Economics     Hybrid Journal   (Followers: 3)
J. of Developmental Origins of Health and Disease     Hybrid Journal   (Followers: 2, SJR: 0.74, h-index: 11)
J. of Diagnostic Radiography and Imaging     Hybrid Journal   (Followers: 4)
J. of Ecclesiastical History     Hybrid Journal   (Followers: 19, SJR: 0.123, h-index: 14)
J. of Economic History     Full-text available via subscription   (Followers: 45, SJR: 1.224, h-index: 44)
J. of Experimental Political Science     Full-text available via subscription   (Followers: 5)
J. of Financial and Quantitative Analysis     Full-text available via subscription   (Followers: 33, SJR: 2.998, h-index: 80)
J. of Fluid Mechanics     Hybrid Journal   (Followers: 135, SJR: 1.45, h-index: 155)
J. of French Language Studies     Hybrid Journal   (Followers: 5, SJR: 0.158, h-index: 8)
J. of Functional Programming     Hybrid Journal   (Followers: 1, SJR: 0.917, h-index: 39)
J. of Germanic Linguistics     Full-text available via subscription   (Followers: 7, SJR: 0.219, h-index: 4)

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Journal Cover Animal Health Research Reviews
  [SJR: 0.838]   [H-I: 41]   [3 followers]  Follow
    
   Hybrid Journal Hybrid journal (It can contain Open Access articles)
   ISSN (Print) 1466-2523 - ISSN (Online) 1475-2654
   Published by Cambridge University Press Homepage  [365 journals]
  • A proposed analytic framework for determining the impact of an
           antimicrobial resistance intervention
    • Authors: Yrjo T. Grohn; Carolee Carson, Cristina Lanzas, Laura Pullum, Michael Stanhope, Victoriya Volkova
      Pages: 1 - 25
      Abstract: Antimicrobial use (AMU) is increasingly threatened by antimicrobial resistance (AMR). The FDA is implementing risk mitigation measures promoting prudent AMU in food animals. Their evaluation is crucial: the AMU/AMR relationship is complex; a suitable framework to analyze interventions is unavailable. Systems science analysis, depicting variables and their associations, would help integrate mathematics/epidemiology to evaluate the relationship. This would identify informative data and models to evaluate interventions. This National Institute for Mathematical and Biological Synthesis AMR Working Group's report proposes a system framework to address the methodological gap linking livestock AMU and AMR in foodborne bacteria. It could evaluate how AMU (and interventions) impact AMR. We will evaluate pharmacokinetic/dynamic modeling techniques for projecting AMR selection pressure on enteric bacteria. We study two methods to model phenotypic AMR changes in bacteria in the food supply and evolutionary genotypic analyses determining molecular changes in phenotypic AMR. Systems science analysis integrates the methods, showing how resistance in the food supply is explained by AMU and concurrent factors influencing the whole system. This process is updated with data and techniques to improve prediction and inform improvements for AMU/AMR surveillance. Our proposed framework reflects both the AMR system's complexity, and desire for simple, reliable conclusions.
      PubDate: 2017-06-01T00:00:00.000Z
      DOI: 10.1017/S1466252317000019
      Issue No: Vol. 18, No. 1 (2017)
       
  • Alternatives to antibiotics for maximizing growth performance and feed
           efficiency in poultry: a review
    • Authors: U. Gadde; W. H. Kim, S. T. Oh, Hyun S. Lillehoj
      Pages: 26 - 45
      Abstract: With the increase in regulations regarding the use of antibiotic growth promoters and the rise in consumer demand for poultry products from ‘Raised Without Antibiotics’ or ‘No Antibiotics Ever’ flocks, the quest for alternative products or approaches has intensified in recent years. A great deal of research has focused on the development of antibiotic alternatives to maintain or improve poultry health and performance. This review describes the potential for the various alternatives available to increase animal productivity and help poultry perform to their genetic potential under existing commercial conditions. The classes of alternatives described include probiotics, prebiotics, synbiotics, organic acids, enzymes, phytogenics, antimicrobial peptides, hyperimmune egg antibodies, bacteriophages, clay, and metals. A brief description of the mechanism of action, efficacy, and advantages and disadvantages of their uses are also presented. Though the beneficial effects of many of the alternatives developed have been well demonstrated, the general consensus is that these products lack consistency and the results vary greatly from farm to farm. Furthermore, their mode of action needs to be better defined. Optimal combinations of various alternatives coupled with good management and husbandry practices will be the key to maximize performance and maintain animal productivity, while we move forward with the ultimate goal of reducing antibiotic use in the animal industry.
      PubDate: 2017-06-01T00:00:00.000Z
      DOI: 10.1017/S1466252316000207
      Issue No: Vol. 18, No. 1 (2017)
       
  • Enterobacteriaceae+in+poultry&rft.title=Animal+Health+Research+Reviews&rft.issn=1466-2523&rft.date=2017&rft.volume=18&rft.spage=46&rft.epage=57&rft.aulast=Saliu&rft.aufirst=Eva-Maria&rft.au=Eva-Maria+Saliu&rft.au=Wilfried+Vahjen,+Jürgen+Zentek&rft_id=info:doi/10.1017/S1466252317000020">Types and prevalence of extended–spectrum beta–lactamase producing
           Enterobacteriaceae in poultry
    • Authors: Eva-Maria Saliu; Wilfried Vahjen, Jürgen Zentek
      Pages: 46 - 57
      Abstract: For several billion years, bacteria have developed mechanisms to resist antibacterial substances. In modern time, antibiotics are frequently used in veterinary and human medicine for prevention and treatment of diseases, globally still also for their growth promoting effects as feed additives. This complex situation has evolved in accelerating development and prevalence of multi-drug resistant bacteria in livestock and people. Extended-spectrum beta-lactamase (ESBL) producing bacteria are resistant to a wide range of ß-lactam antibiotics. They are currently considered as one of the main threats for the treatment of infections in humans and animals. In livestock and animal products, poultry and poultry products show the highest prevalence of ESBL-producers with CTX-M-1, TEM-52 and SHV-12 being the most common ESBL-types in poultry. Escherichia coli and Salmonella spp. are the bacteria in poultry, which carry ESBL-genes most frequently. ESBL-producing bacteria are present at every level of the poultry production pyramid and can be detected even in the meconium of newly hatched chicks. The environment close to poultry barns shows high prevalence rates of these bacteria and contributes to an ongoing infection pressure with further ESBL-types. Probiotics have been shown to successfully reduce ESBL-producers in chicken, as well as ESBL-gene transfer. Other feed additives, such as zinc and copper, increase the prevalence of ESBL-producing bacteria when fed to animals. To our best knowledge, this is the first publication presenting a comparative overview of the prevalence of ESBL-types using data from different countries. To reduce the hazard for public health from poultry carrying high numbers of ESBL-producers, preventive measurements must include the surrounding environment and avoidance of antibiotic usage at all levels of the production pyramid. The first results, of the research on the impact of feed additives on the spread of ESBL-genes, indicate the diet as a further, possible magnitude of influence.
      PubDate: 2017-06-01T00:00:00.000Z
      DOI: 10.1017/S1466252317000020
      Issue No: Vol. 18, No. 1 (2017)
       
  • Importance of bovine mastitis in Africa
    • Authors: Thabiso E. Motaung; Kiro R. Petrovski, Inge-Marie Petzer, Oriel Thekisoe, Toi J. Tsilo
      Pages: 58 - 69
      Abstract: Bovine mastitis is an important animal production disease that affects the dairy industry globally. Studies have estimated the prevalence of this disease in approximately 30% of African countries, with the highest prevalence found in Ethiopia. This is despite the wide cattle distribution in Africa, and the largest number of dairy farms and herds in countries such as South Africa, Kenya and Uganda. Furthermore, the estimated financial losses due to direct and indirect impacts of bovine mastitis are lacking in this continent. Therefore, intensive research efforts will help determine the continent-wide economic impacts and advance careful monitoring of disease prevalence and epidemiology. Here, published cases supporting the occurrence and importance of bovine mastitis in certain regions of Africa are outlined.
      PubDate: 2017-06-01T00:00:00.000Z
      DOI: 10.1017/S1466252317000032
      Issue No: Vol. 18, No. 1 (2017)
       
  • Global distributions and strain diversity of avian infectious bronchitis
           virus: a review
    • Authors: Faruku Bande; Siti Suri Arshad, Abdul Rahman Omar, Mohd Hair-Bejo, Aliyu Mahmuda, Venugopal Nair
      Pages: 70 - 83
      Abstract: The poultry industry faces challenge amidst global food security crisis. Infectious bronchitis is one of the most important viral infections that cause huge economic loss to the poultry industry worldwide. The causative agent, infectious bronchitis virus (IBV) is an RNA virus with great ability for mutation and recombination; thus, capable of generating new virus strains that are difficult to control. There are many IBV strains found worldwide, including the Massachusetts, 4/91, D274, and QX-like strains that can be grouped under the classic or variant serotypes. Currently, information on the epidemiology, strain diversity, and global distribution of IBV has not been comprehensively reported. This review is an update of current knowledge on the distribution, genetic relationship, and diversity of the IBV strains found worldwide.
      PubDate: 2017-06-01T00:00:00.000Z
      DOI: 10.1017/S1466252317000044
      Issue No: Vol. 18, No. 1 (2017)
       
 
 
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