. Cyclopedia of farm animals. Domestic animals; Animal products. 82 PRINCIPLES OP STOCK-FEEDING takes a total of 9,000 Cats, to produce it. If now the ration be increased to 12,000 Cals. production value, one-half the ration is applicable to produc- tion purposes, the gain, other things being equal, will be two pounds per day instead of one, and the total food-cost of a pound of gain will be 6,000 Cals. instead of 9,000 Cals. Second, rapid gains, especially in fattening ani- mals, can be produced only by the use of concen- trated feeding-stuffs. In the first place, as has been shown, the produ
. Cyclopedia of farm animals. Domestic animals; Animal products. 82 PRINCIPLES OP STOCK-FEEDING takes a total of 9,000 Cats, to produce it. If now the ration be increased to 12,000 Cals. production value, one-half the ration is applicable to produc- tion purposes, the gain, other things being equal, will be two pounds per day instead of one, and the total food-cost of a pound of gain will be 6,000 Cals. instead of 9,000 Cals. Second, rapid gains, especially in fattening ani- mals, can be produced only by the use of concen- trated feeding-stuffs. In the first place, as has been shown, the production values of concentrates are higher than those of coarse feeds, although by no means always cheaper per unit. It is only by the use of concentrates, however, that it is possible for the animal to consume the large amount of food required to produce rapid gains. The advantage of being able to give a large amount of food in excess of the maintenance requirement offsets the usually greater relative cost of the concentrated feeding- stuffs. (3) Feeding standards in the ordinary sense would seem to have comparatively little application in meat production, but, nevertheless, some gen- eral statements regarding the total amount of food may be made. These statements include the amount required for maintenance. For young animals larger amounts are required in proportion to the live weight than for mature animals because of their smaller size, and, therefore, relatively greater surface. For cattle and sheep, amounts of feed varying from the equivalent of 20,000 Cals. of production value per 1,000 pounds live weight for very young animals to half that amount for nearly mature animals are recommended by good authori- ties. These amounts are computed per 1,000 pounds live weight in proportion to the weight. Since swine subsist largely on concentrated feeding-stuffs, they are able to consume relatively larger amounts of food than cattle and sheep. The current feeding standards call for a
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