一提起疯牛病,恐怕没有人不知道这是由于人类给肉牛喂了动物性饲料所致。牛、马、羊等动物,原本都属于出色的“素食主义”动物,只是由于人类喂给它们的饲料变成了“肉骨粉”,才使它们被迫成为杂食动物,所产生的鲜肉质量也随之出现问题,并由此引发疯牛病,对肉牛产业产生巨大冲击。而现在世界上最高级的肉牛,如法国培育出的一种名叫“沙若拉”的大白牛一生中只食用未经污染的天然草 Mention of mad cow disease, I am afraid no one does not know that this is due to the human animal fed to beef cattle caused by feed. Animals such as cattle, horses and sheep are all excellent “vegan” animals, but their quality has been forced to become omnivores only because the feed they feed them becomes “meat and bone meal.” Also will appear the question, and will cause the mad cow disease, has the enormous impact to the beef cattle industry. And now the world’s most advanced beef cattle, such as the French breed of a big white cow named “Sarjola” eat only natural unpolluted grass