FEEDING DAIRY CATTLE 



209 



ments he constructed a standard similar to the one for mature 

 cows : — 



HAECKEr's feeding-standard — HEIFERS ^ 



Table showing food of maintenance ■per 100 pounds live weight and nutri- 

 ents reqwired for the production of 1 pound of milk testing a given per 

 cent of butter-fat 



For maintenance 



Protein 



0.07 



Carbohydrates 



0.700 



Fat 



0.0100 



Milk testing 2.5 

 Milk testing 3.0 

 Milk testing 4.0 

 Milk testing 5.0 

 Milk testing 6.0 

 Milk testing 6.5 



0.0378 

 0.0443 

 0.0573 

 0.0703 

 0.0833 

 0.0898 



0.188 

 0.218 

 0.287 

 0.338 

 0.398 

 0.428 



0.0130 

 0.0152 

 0.0197 

 0.0242 

 0.0287 

 0.0310 



To illustrate how these .differ from the mature cow we will 

 take the same example, that of a heifer weighing 1000 pounds 

 and yielding 22 pounds of 3 and 6 per cent milk. While a 

 heifer might not weigh as much as this, the figuring is on a per- 

 centage basis and the results will be the same. 



For a heifer weighing 1000 pounds and yielding 22 pounds 

 of 3 per cent milk : — 



' Minnesota Agricultural Experiment Station Bulletin No. 79. 



