Gambar halaman
PDF
ePub

PRACTICAL RATIONS FOR DAIRY COWS.

Fed by 16 American Dairymen Producing 325 lbs. of Butter or more per Cow per Year.*

1. Colorado.-30 lbs. silage, 10 lbs. alfalfa hay, 10 lbs. clover hay, 5 lbs. wheat bran, 2 lbs. corn meal.

2. Connecticut.-35 lbs. corn silage, 10 lbs. hay, 3 lbs. wheat bran, 3 lbs. corn and cob meal, 2 lbs. cotton-seed meal, 2 lbs. Chicago gluten meal,

3. Illinois.-7 lbs. clover hay, 7 lbs. timothy hay, 12 lbs. corn and cob-meal, 8 lbs. bran, 1 lbs. linseed meal, 1 lbs. cotton-seed meal.

4. New Jersey.-24 lbs. corn silage, 8 lbs. corn meal, 2 lbs. wheat bran, 4 lbs. oats, 2 lbs. oil meal.

5. New York.- —20 lbs. hay, 2 lbs. wheat bran, 2 lbs. cottonseed meal, 2 lbs. hominy meal.

6. New York.-12 lbs. timothy hay, I lb. wheat bran, 1 lb. middlings, 2 lbs. corn meal, 2 lbs. cotton-seed meal, 40 lbs. skim-milk.

7. New York.-42 lbs. corn silage, 2 lbs. clover hay, 24 lbs. timothy hay, 8 lbs. corn and cob meal, 14 lbs. dried brewers' grains.

8. North Carolina.-30 lbs. corn silage, 8 lbs. fodder corn, 3 lbs. corn meal, 3 lbs. wheat bran, 1 lb. cotton-seed meal.

9. Pennsylvania.-24 lbs. corn fodder, 5.1 lb. wheat bran, 5.1 lbs. corn meal, 3 lbs. cotton-seed meal, 2 lbs. oil meal.

10. Pennsylvania.-10 lbs. corn fodder, 6 lbs. hay, 3 lbs. wheat bran, 1 lbs. cotton-seed meal, 1 lbs. oil meal, 2 lbs. corn meal.

II. Texas.-30 lbs. corn silage, 13 lbs. sorghum hay, 1.3 lbs. corn meal, 2.6 lbs. cotton-seed meal, 2.2 lbs. cotton-seed, 1.3 lbs. wheat bran.

12. Vermont.-30 lbs. corn silage, 10 lbs. hay, 4.2 lbs. corn meal, 4.2 lbs. wheat bran, .8 lb. linseed meal.

13. West Virginia.-48 lbs. corn silage, 2 lbs. corn and cob meal, 2 lbs. ground wheat, 2 lbs. oats, 2 lbs. barley meal.

*See Woll, "One Hundred American Rations for Dairy Cows," Bulletin No. 38, Wisconsin Agricultural Experiment Station.

14. Wisconsin.-26 lbs. corn silage, 10 lbs. clover hay, 5 lbs. timothy hay, 8 lbs. wheat middlings, 1 lbs. oil meal.

15. Wisconsin.-50 lbs. corn silage, 5 lbs. sheaf oats, 5 lbs. corn fodder, I lb. clover hay, 1 lb. millet, 2.7 lbs. cotton-seed meal, 1.3 lbs. oil meal, 6 lbs. wheat bran.

16. Canada.-40 lbs. corn silage, 7 lbs. clover hay, 3 lbs. straw, 1 lbs. oats, 1 lbs. barley, 1 lbs. pea meal, 3 lbs. wheat bran, 1 lb. cotton-seed meal.

The preceding rations contain approximately the following amounts of nutrients, calculated for 1000 lbs. live weight:

[blocks in formation]
[merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][ocr errors][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small]

FOOD REQUIREMENTS OF FARM ANIMALS.

It is generally assumed in comparing the food requirements of the different classes of farm animals that one cow at pasture will eat as much, or seven-tenths as much, daily as a full-grown horse, or as much as two yearling colts, heifers, or young bulls, or as three to five calves, or four colts taken from the mare, or ten to twelve sheep, or as twelve to twenty three-months-old lambs, or as four to five swine. It may be figured that the quantity of pasture grass eaten by a cow per day, which of course will vary with the season and the condition of the pasture, will equal 25-30 lbs. of good meadow hay or 40 lbs. hay of inferior quality.

COMPARATIVE VALUE OF CATTLE FOODS.

Comparing concentrated foods with coarse feeds, one pound of the former may be considered a food unit; the quantity of grass eaten by one cow at pasture during one day is assumed equivalent to 12 to 13 food units during the early part of the summer, and to 4 food units in the late fall, 10 units being considered an average figure.

The following quantities of different feeding stuffs are considered approximately equivalent, as determined by European, largely Danish, feeding experience (Schroll):

I lb. concentrated feed (cereals, mill-refuse feeds, oil meals, etc.) = 2 to 3 lbs. of good meadow hay poorer quality hay 10 lbs. rutabagas

=

= 4 lbs. of 12 lbs. turnips

= 4 lbs. potatoes = 10 lbs. green fodder = 6 lbs. buttermilk = 6 lbs. skim-milk = 12 lbs. whey

I lb. new milk.

COMPARATIVE VALUE OF CATTLE FOODS.

(HACKER.)

The following table is based upon the percentages of digestible protein in different feed stuffs, comparison of cost being made with wheat bran as a basis for grain, and timothy hay for coarse fodders. The figures given show only approximately the comparative value of the different food stuffs, as the digestible protein content, and not the total digestible matter of each food was considered in calculating the values. Since, however, protein is the most important component of foods bought, carbohydrates being, as a rule, produced in abundant quantities in the crops raised on the farm, the data obtained by this method of calculation may serve as a guide in estimating the comparative money value of cattle foods offered for sale.

[merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][ocr errors]
[merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][ocr errors][ocr errors][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small]

The commercial value of protein, fat, and carbohydrates in concentrated feeding stuffs has been calculated from the average composition and market price of common feeding stuffs as follows:

-Cost of one pound of
Protein. Fat. Carbohydrates.

In Germany...(1890) 3:

2:

I

(König, Wolff.) Connecticut (1888) 1.6 cts. 4.2 cts. .96 cts. (Jenkins.)

[ocr errors][ocr errors][merged small][merged small][merged small][ocr errors][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small]
« SebelumnyaLanjutkan »