TABLE I

Composition of Milk
Water Per CentFat Per CentCasein Per CentSugar Per CentAlbumin Per CentAsh Per Cent

High

88.90

5.50

3.00

5.00

.72

.73
Low85.053.002.104.60.70.70
Average
87.47
3.80
2.50
4.80
.71
.71

8. Factors causing variation in composition.—The composition of cow's milk varies according to several factors. The composition of the milk of different breeds differs to such a degree that whole series of factories are found with lower or higher figures than these averages on account of dominant presence of particular kinds of cattle.

The following table shows the usual effect of breed on fat and total solids of milk: