THIRTY-SEVENTH ANNUAL CONVENTION. 



319 



TABLE 7. — Area of Different Crops and Digestible Nutrients Required 

 To Support a Cow the Summer Six Months. 



CROP 



Pounds 



Degest b e nurtients 



Protein 



Carbo- 

 hydrate 



Fat 



Acres required 



For 

 one cow 



For 51 

 cows 



Pasture . . . 









115 



421 



32 



.72 



36-72 



Green oats 







.. 2100 



22 



149 



10 



.14 



7.14 



Green corn 







.. 7000 



96 



946 



51 



.35 



17.85 



Corn Meal 







.. 274 



21 



182 



12 



.09 



4.56 



Clover hay 



al 





.. 364 



25 



130 



6 



.07 



3.57 



Tot 





279 



1828 



111 



1.37 



69.87 



Nutrients 



required 



for 



one cow 













182 days 









242 



1873 



55 







The protein and fat allowed in the feed exceed that re- 

 quired and the carbohydrate is slightly deficient. 



A total of 69.87 acres is required to support the herd dur- 

 ing the summer six months. During the winter six months, 

 when the cows are on dry feed, they should produce an average 

 of 22 pounds of milk per day and the one ration given below 

 must be fed this 183 days. 



Ration No. 2. 



FEED 



Pounds 



Fed 



Eat< 



Degestible nutrients 



Protein 



Carbo- 

 hydrate 



Fat 



Nutritive 

 ratio 



Corn stover 12 6 .10 



Clover hay 8 .54 



Clover and timothy hay. ... 5 .27 



Corn meal 9.05 .75 



Oats 1.05 .09 



Total nutrients 1.75 



Nutrients required for 1100-lb. 

 cow producing 22 pounds milk 



daily 1.79 



1.94 



.04 



2.86 



• 14 



2.18 



.09 



6.33 



.41 



.47 



.04 



13.78 



12.45 



72 



46 



