AVMA economist shares findings on antibiotics, sustainabilityOctober 1, 2018Matthew J. Salois, chief economist for the American Veterinary Medical Association (AVMA), presented to the New York Academy of Sciences on the implications of raising animals without antibiotics. The presentation, "Sustainability and Antimicrobial Use in Animal Agriculture," calls for nuanced and evidence-based antibiotic policies that consider a holistic view of antibiotics' impacts on animal welfare, the environment, and economics. In recent years, some companies and consumers have embraced raising animals without antibiotics; today, nearly half of all broiler chickens are raised without antibiotics, according to the AVMA. During his presentation, Dr. Salois cautioned that reduced use of antibiotics in farm animals can have negative implications for animal welfare and the overall sustainability of animal agriculture, if not accompanied by appropriate changes in management practices. For example, the average mortality rate for broiler chickens raised without antibiotics can be 25 to 50 percent higher than for conventionally raised broiler chickens, he said. Additionally, birds raised without antibiotics are much more likely to suffer from painful medical conditions, such as being more than three times as likely to experience ammonia burns in their eyes, Salois added. The higher incidences of disease and mortality for birds raised without antibiotics, …
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