Page:The story of milk.djvu/31

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milk are called by contrast beef-cattle. As examples of beef-cows look at the Shorthorns or the Herefords or the Polled Angus at the next State Fair you visit and notice the square, deep, smooth body with muscles and fat strongly developed in contrast to the loosely built, bony milk-cow with its tendency to turn all its food into milk at the expense of the body. There are, however, also among the Shorthorns, strains of good milkers, but as a rule these beef-breeds are not selected for the dairy farm, and "dual purpose" cows are not usually profitable.

Shorthorn, milk-strain

Food and Water.—The natural food for the dairy cow in summer is grass, and where rich, succulent grass and clover grow in abundance, as on the fertile meadows of Holland and the Channel Islands, or the Swiss Alps, the highly cultivated Danish farms, the eastern and middle-western states of America, etc., dairying early reached its highest development. As the value of milk and its products for human food became more generally recognized and all-the-year-round production was forced, it was found necessary to feed the cows heavily in winter too, not only hay, but also grain and succulent food such as beets and corn-ensilage (green corn cut, stalks, cobs and all, and packed in a silo), and science was taken into play to formulate Balanced Rations containing the proper amounts and proportions of the various nutrients—Protein, Fat and Carbohydrates. It