Food Ingredient
The average gross composition of cow’s milk is as follows: water, 87%, fat, 3.7%; lactose, 4.9%; protein, 3.5%; and ash, 0.7%.
However, the composition of milk from individual cows may vary considerably from these average values.
Breed differences, the time of year, the time of day, individual differences, the age of the cow, the period of lactation, the portion of any one milking , feeding, etc. are some the factors that may contribute to composition of milk.
Usually milk obtained in the fall and early winter is richer in fat that that obtained in the spring and summer.
The morning milk usually richer in aft than evening milk, at times by almost 2%.The first portions of milk drawn in the milking process are lower fat that the last portions.
Food Ingredient
