98 



UANUAL OK CATTLK-FKEDING. 





Weight of 



animal. 



Lbs. 



Nitrogen pek day. 



DiFFERENCF. 



No of 

 Experiment 



In food. 



Grms, 



In excrement 

 Grrm^. 



Grms. 



Per cent 



1 



2 



3 



6 



6 



1,403 

 u 



n 



1,529 



u 



135 5 

 131.0 

 131.0 

 161.5 

 160.0 



135.0 

 132.0 



127 5 

 1G7.5 

 156 5 



-0.5 

 + 10 

 -3 5 

 + 6.0 

 -3.5 



0.4 



08 

 2.7 

 3.7 



22 



Gronven * also found approximately an equilibrium be- 

 tween the nitrogen of the food and of the excrements of 

 oxen fed on clover hay. A ration of 14.3 lbs. of clover 

 hay per day and head gave the following results : 



Length of 

 Experimeat, 



Nitrogen in 



Difference 



Food. 

 Grms, 



Excrements, 

 G-nns. 



Grms. 



Pear cent 



8 days 



10 days 



1,087 79 

 1,506.42 



1,153.67 

 1,463.63 



+65 88 

 -42.79 



6.0 



28 



Milk eow8.—Ex-penment8 on five different cows in three 

 different places — viz., in Munich, by Voit^f at the Ex- 

 periment Station at Mdckern, by G. Kuhn,:{: and at 

 the Hohenheim Experiment Station, by E. v. Wolff § — 



* ^^feiter Bericht uber die Versucha-Station Salzmunde, 1864, p. 122. 



f Heitechrift |uf Bjologie, 1860, p. 118 



i Landw. Ver^achs-Sfcationen, XII , 450. 



§ Die Versuciisstation Hohenheim, 1870, p, 4^. 



