. Principles and practice of butter-making; a treatise on the chemical and physical properties of milk and its components, the handling of milk and cream, and the manufacture of butter therefrom . HoLSTEiN Cow (Shady Brook Gerbin, 43753, H. F. H. B.).Property of M. E. Moor, Cameron, Mo. Record at St. Louis Exposi-tion, June 16 to Oct. 13, 1904, (120 days,) pounds of milk pounds of fat. ^^alue of feed consumed $ Dropped in June,1892. Weight 1319 pounds. VARIATION OF FAT IN MILK. 69 conditions the cows are milked in the morning about 5 oclock,and in the evening about
. Principles and practice of butter-making; a treatise on the chemical and physical properties of milk and its components, the handling of milk and cream, and the manufacture of butter therefrom . HoLSTEiN Cow (Shady Brook Gerbin, 43753, H. F. H. B.).Property of M. E. Moor, Cameron, Mo. Record at St. Louis Exposi-tion, June 16 to Oct. 13, 1904, (120 days,) pounds of milk pounds of fat. ^^alue of feed consumed $ Dropped in June,1892. Weight 1319 pounds. VARIATION OF FAT IN MILK. 69 conditions the cows are milked in the morning about 5 oclock,and in the evening about 7 oclock. This is especially trueduring the spring and early summer months. This long intervalduring the day causes the cow to give a greater quantity ofmilk in the evening, but it contains a smaller per cent of recent results obtained by Ingle illustrate this point veryplainly. Five cows were milked at 6 and at 3 during. Fig. 15.—The wrong way to milk cows. (From Glucose Sugar Refining Catalogue.) a period of three weeks. The average fat-content of the eve-nings milk was and of the mornings milk the four weeks following the same cows were milkedat and 5 The fat-content of the evenings milkwas , and of the mornings milk It is main-tained, and the above results indicate the same, that even 70 BUTTER MAKING. if the intervals between milkings are equal, the morningsmilk will contain slightly less fat. This is accounted for bythe theory that the fat-secreting cells are more active duringthe day, when the cow is exercising. It is customary in Denmark, and in other countries wheredairying is practiced extensively, to milk three times a day,early morning, noon, and late at night. The only reason thatcan be assigned for getting richer miik after the shorter in-terval is that the distension caused by the excess of milk inthe udder retards or restrains the free act
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