STATE AGRICULTURAL SOCIETY. 



743 



If I take the supply of turnips, 120 lbs. per day, as requisite 

 for the maintenance only of the cow, the nutritive elements will 

 be— 



Albumen. Oil. Starch and Sugar 

 1.98 .264 7.92 



Reckoning the oil as used for respiration, and com- 

 puting it in proportion of 5 to 2 as compared 

 with starch = _ _. .66 



The food supplied to the cow consists of- 



8.58 



Hay, 



Stored mangel, . . 



Oz. 



The 13 quarts of milk yielded of butter, 13.60 



Deduct for moisture, &c., __ 2.28 



Butter in the skimmed milk estimated as 



11.32 

 .68 



12 ounces of piu'e oil in the butter are | lb. = 



lb. 



The oil in the food, 59 



The starch and sugar, 12.94 



Used for animal respirati<ji], 8.58 



4.36 



oz. 12.00 

 .75 



There appears, then, in this suj^ply of food .59 lb. oil and 4.36 

 lbs. starch for the production of .75 in the butter from 13 quarts 

 per day, the cow's greatest yield. At the time the milk was 

 tested, aftermath hay was substituted f«)r first-cro}> hay, in equal 

 quantity. This, it will l)e observed, is decidedly rielier in oil. 

 Her i»roduee liad lessened to 10 quarts per day; her production 

 of butter was 10.50 oz. per day, or of pure oil about 9 oz.; for 

 tlie siii»ply of oil the alterniath liay aluiie would be much more 

 ban adequate. 



