P.         C. H. Fat

For cow weighing 1200 lbs. and yielding 20 lbs. of 4 per cent milk:

P. C. H. Fat

Nutrients for 20 lbs. milk, .93 4.28 .32 Nutrients for 12 cwt. maintenance,                  .84 8.40 .12_________

For cow weighing 850 lbs. and yielding 40 lbs. of 4 per cent milk :

P.       C. H.      Fat

Nutrients for 40 lbs. of milk, 1.87       8.56       .64

Nutrients for 8.5 cwt. maintenance, .59       5.95       .08_________

Ration required, 2.46     14.51       .72 Nutritive ratio, 1: 6.5

But if the cow weighing 12 cwt. yields 40 lb. of milk per day and the cow weighing 8.5 cwt. yields 20 pounds, the nutrient requirements for their respective rations according to table will be as follows:

P.       C. H      Fat

Nutrients for 40 lbs. of 4 per cent milk, 1.87       8.56       .64

Nutrients for 12 cwt. maintenance, .84       8.40       .12

P        C. H.       Fat

Nutrients for 20 lbs. of 4 per cent milk, .93       4.28       .32

Nutrients for 8.5 cwt. maintenance, .59       5.95 .08_________