1892.] 



PUBLIC DOCUMENT— No. 33. 



31 



2. Feeding Experiment with Milch Cows. 



Gluten meal (Chicago variety) vs. cotton-seed meal and old- 

 process linseed meal, November, 1890, to June 1891. 



Below are briefly recorded the results of observations with 

 cotton-seed meal and old-process linseed meal when fed as 

 substitutes for gluten meal (Chicago variety) in an other- 

 wise corresponding daily diet of milch cows. The experi- 

 ment was instituted, as has been intimated above, mainly 

 for the purpose of comparing the effect of cotton-seed meal 

 and old-process linseed meal with that of gluten meal 

 (Chicago variety) on the cost of the feed consumed and on 

 the quantity and the quality of the milk produced, when fed 

 each in equal weight as an ingredient of an otherwise 

 corresponding daily diet of milch cows. 



1. History of Cows. 

 Nine cows, grades of various descriptions and of different 

 milking periods, served in the trial. 



2. Description of Fodder Articles. 

 The daily fodder rations contained per head throughout 

 the entire experiment, as fine or grain feed, three pounds of 

 corn meal and three pounds of wheat bran ; to these were 

 added for stated reasons at different stages of the observa- 

 tion, per head, either three pounds of gluten meal, or three 

 pounds of old-process linseed meal, or three pounds of 

 cotton-seed meal to complete the daily ration of grain or fine 

 feed. 



