Jackson A A, Golden M H
Lancet. 1978 Oct 7;2(8093):764-7. doi: 10.1016/s0140-6736(78)92651-x.
The cow is a ruminant, and cow's milk has evolved to promote bacterial growth in the upper small bowel; whereas human milk has evolved to discourage bacterial growth. Examination of the constituents of the two milks shows that their differences can be accounted for in terms of this difference in function. Children who are fed a calf's diet tend to develop a rumen. This may lead to chronic diarrhoea and malnutrition and may be a factor in diarrhoea ascribed to cow's-milk-protein allergy and lactose intolerance.
牛是反刍动物,牛奶的进化是为了促进小肠上段细菌的生长;而母乳的进化则是为了抑制细菌生长。对两种奶的成分进行检查后发现,它们的差异可以从功能上的这种不同来解释。食用小牛饮食的儿童往往会形成瘤胃。这可能导致慢性腹泻和营养不良,并且可能是归因于牛奶蛋白过敏和乳糖不耐受的腹泻的一个因素。