FARMER'S CYCLOPEDIA OF LIVE STOCK 



WOLFF-LEHMANN FEEDING STANDARDS — Continued 



Total i — Digestible nutrients — \ 

 dry Carbo- Fuel 



Animal matter Protein hydrates Fat value 



Pounds Pounds Pounds Pounds Calories 

 8 to 11 months old, weighing 



about SO pounds 23 2.1 11.5 0.5 27,400 



11 to 15 months old, weighing 



about 90 pounds 22 1.8 11.2 0.4 25,850 



15 to 20 months old, weighing 



about 100 pounds 22 1.5 10.8 0.3 24,150 



Mutton breeds — 



4 to 6 months old, weighing 



about 60 pounds 26 4.4 15.5 0.9 40,800 



6 to 8 months old, weighing 



about 80 pounds 26 3.5 15.0 0.7 37,350 



8 to 11 months old, weighing 



about 100 pounds 24 3.0 14.3 0.5 34,300 



11 to 15 months old, weighing 



about 120 pounds 23 2.2 12.6 0.5 29,(550 



15 to 20 months old, weighing 



about 150 pounds 22 2.0 12.0 0.4 27,750 



Growing swine : 



Breeding stock — 



2 to 3 months old, weighing 



about 50 pounds 44 7.0 28.0 1.0 70,450 



3 to 5 months old, weighing 



about 100 pounds 35 5.0 23.1 0.8 55,050 



5 to 6 months old, weighing 



about 120 pounds 32 3.7 21.3 0.4 4S.190 



6 to 8 months old, weighing 



about 200 pounds 28 2.8 18.7 0.3 41,250 



8 to 12 months old, weighing 



about 250 pounds 25 2.1 15.3 0.2 33,200 



Growing fattening swine : 



2 to 3 months old, weighing about 



50 pounds 44 7.6 2S.0 1.0 70,450 



3 to 5 months old, weighing about 



100 pounds 35 5.0 23.1 0.8 55,650 



5 to 6 months old, weighing about 



150 pounds 33 4.3 22.3 0.6 52,000 



6 to 8 months old, weighing about 



200 pounds 30 3.6 20.5 0.4 46,500 



9 to 12 months old, weighing about 



275 pounds 26 3.0 18.3 0.3 40,900 



The standard shows that an ox at rest Meaning of nutritive ratio_By nu- 

 requires about 0.7 pound of protein, 8 tritive ratio is meant the ratio between 

 pounds of carbohydrates and 0.1 pound the digestible protein and the other di- 

 of fat per day. An ox at heavy work re- gestible nutrients in the ration. The 

 quires considerably more food. The nutritive ratio of a ration best suited 

 table shows that he requires 4 times as for the requirements of the ox at rest 

 much protein, or 2.8 pounds, that the is stated in the table to be 1 tll.S. This 

 carbohydrates should be increased to means that for each part of digestible 

 13 pounds and the fat to 0.S pound. protein in the ration for an ox at rest 

 In addition to these nutrients which the there should be 11.8 parts of earbohy- 

 ration must contain to support the ani- drates and fat. The ratio 1 :11.8 is 

 mal under the different conditions of called a comparatively "wide" ratio on 

 work and rest a certain bulk in the food account of the large amount of car- 

 is desirable. The bulk serves to distend bohydrates and fat contained in it as 

 the stomach and aids in digestion be- compared with the protein. The nutri- 

 sides keeping the animal satisfied and tive ratio of the ration recommended 

 healthy. The bulk which has been found for the ox at hard work is 1 :5.3. This is 

 desirable is indicated in the column a comparatively "narrow" ratio. For 

 marked total dry matter. The dry mat- coarse wool sheep a ration with a "me- 

 ter is the actual amount of food given dium" ratio 1 :9.1 is recommended by the 

 exclusive of any water it may contain. standard. 



The nutritive ratio of the different Method of calculating nutritive ratio 



rations is shown in the last column of — The nutritive ratio of a feeding stuff 



the table. or ration is calculated by multiplying 



