共查询到20条相似文献,搜索用时 15 毫秒
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Bulgin MS Melson SS 《Journal of the American Veterinary Medical Association》2007,230(8):1158-64, 1120
Scrapie is the longest known and most widely spread of the transmissible spongiform encephalopathies and remains the model for much of the research regarding these diseases. Because scrapie is a reportable disease and the subject of an active eradication program in the United States, veterinary practitioners should have a basic understanding of the disease. 相似文献
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P. McGreevy A. McLean P. Buckley F. McConaghy C. McLean 《Equine Veterinary Education》2011,23(10):531-539
Veterinarians generally focus on keeping the performance horse in work but they need to be mindful of ways in which the work itself may jeopardise the animal's welfare and health. Elements of a horse's work may expose it to the risk of injury but insults to wellbeing, which are far more common and far more sustained, although less overt, also deserve consideration. A good example is the way in which chronic physiological stress responses arising from inhumane training techniques may compromise immunity and tissue repair. This article explores the physiological and musculoskeletal insults that can result from ridden work, alongside the gear and training paradigms that can compromise welfare. It also considers issues relating to the use of pharmaceuticals in the ridden horse. With stress reduction as a primary focus, it emerges that veterinarians are uniquely placed to comment on the somatic effects of psychological stressors, including the social and ethological challenges resulting from the work required of the so‐called elite equine athlete. Whether the profession will step up to meet this significant challenge is also discussed. 相似文献
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Haneveld JK 《Tijdschrift voor diergeneeskunde》2008,133(17):718-719
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《国外畜牧学(猪与禽)》2020,(2):56-57
畜禽有机饲料生产商必须多加考虑有机猪和禽的营养需要。有机种植原料的可用性和价格以及能否满足氨基酸需求仍然是一个持续的挑战。虽然原料和添加剂的选择有限,但是这个利基市场的某些领域正在增长。 相似文献