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Use of Total Whey Constituents — Animal Feed

Calor Agriculture Research, Okemos, MI 48864

ABSTRACT

Although whey contains an excellent array of high quality nutrients, namely albumen, lactose, vitamins, and minerals, and has a number of uses, it represents a serious problem of waste disposal for which a solution needs to be developed in the near future.

Major problems in its utilization arise from its water content (94% water) and the fact that many other foodstuffs likewise contain an excellent array of nutrients in more concentrated form. Regardless, whey can and is used in many foods and feeds. I wish to limit the scope of this discussion to ruminant feeds. An excellent review of uses of whey for animal feeds recently was published (10). In this area, whey has to compete with supplies of corn, soybeans, and other protein rich meals. The price of these commodities necessarily influences, but not in a direct manner, the selling price of whey (8). Evaporation of whey to powder form has a considerable cost of production because it is an energy intense operation and these costs are probably only just recoverable, and in many instances are not recoverable from the selling price.