坏变正常对肉牛的福利是有害的

T. Grandin
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引用次数: 1

摘要

作者在养牛业工作了50年。在20世纪70年代,牛的处理很糟糕,今天已经有了很大的改善。在过去的15年里,饲养的肉牛出现了越来越多的跛行、热应激和心力衰竭问题。这些问题慢慢增加,人们没有注意到,直到它们变得非常严重。我把这叫做“变正常”。这些福利问题的增加部分与增加肌肉和体重增加的基因选择有关。其他因素可能是泥泞的猪圈,饲料中缺乏粗饲料,较年轻的牛体重较重,或过度使用生长促进剂。这些做法可能会使动物的生理超负荷,使其功能失调。有相当少数的生产者推动牛的最大产量,这对动物福利是有害的。
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Bad Becoming Normal is Detrimental to Beef Cattle Welfare
The author has worked in the cattle industry for fifty years. In the 1970’s, cattle handling was terrible and today it has greatly improved. During the last fifteen years, there have been increasing problems with lameness, heat stress, and heart failure in fed beef cattle. These problems slowly increased and people did not notice them until they became really serious. I called this bad becoming normal. The increase is these welfare issues is partially related to increased genetic selection for more muscle and weight gain. Other factors may be muddy pens, a lack of roughage in the ration, heavier cattle at a younger age, or overuse of growth promotants. These practices may overload the animal’s biology and make it dysfunctional. There is a significant minority of producers who push cattle for maximum production, which is detrimental to animal welfare.
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