INFLUENCE OF THE PLANE OF NUTRITION UPON MILK 65 



TABLE III 



EFFECT OF UNDERFEEDING-ADVANCED LACTATION 

 Jersey Cow No. 62 



Table IV gives similar data for Jersey Cow 2, beginning 

 100 days after parturition. It will be seen that the results 

 are the same as for Cow 62. When the ration was dropped 

 suddenly on the fifth day there was an immediate rise in the 

 fat content followed by a decline when the ration was again 

 raised. 



Outside the publications of the author, and his co-worker, 

 Dr. L. S. Palmer, the only reference to be found in the litera- 

 ture regarding the relation of underfeeding to the fat content 

 of milk is by Lusk who conducted a brief experiment with 

 a goat. He reports that the fat content of the milk was in- 

 creased during two days when the goat received no feed. 

 In explanation, Lusk advances the theory that when suf- 



