138 



THE CHEMISTRY OP THE FARM. 



Some idea of the general composition of the solid 

 excrement, and of the urine, is given by the following 

 table. The sheep were fed on meadow hay ; the oxen on 

 clover hay and oat straw, with about 8 Ibs. of beans per 

 day; the cows received in one case 154 Ibs. of mangels, 

 and in the other case 26 Ibs. of lucerne hay and 66 Ibs. 

 of water per day. 



PERCENTAGE" COMPOSITION OF SOLID AND LIQUID 



EXCREMENT. 

 1. SHEEP FED ON II AY 



2. OXEN WITH NITROGENOUS DIET. 



3. COWS FED ON MANGELS, AND ON LUCERNE HAY. 



