Liquid portion of milk separated from curd during cheese making. Acid levels of both whey products drops to about 3.5 in two days. Corrosive store in suitable holding tank. Should be delivered fresh daily. Whey over 36 hours old and of low pH is not as palatable as fresh product.
Cows adapt to product slowly.
Feeding whey increases urine output. Combinations of alternative feedstuffs can work well in the diets of lactating cows. Nutrient requirements of the cow, economics of using alternative feeds, availability, quality of product, and acceptance by the cow must be primary concerns. Diets must be formulated based on contributions of individual feeds, forage source, and limiting factors within feedstuffs. Listed below are nutrient components of various feedstuffs.