14 AGRICULTURAL EXPERIMENT STATION. [Jan. 



I. 



FEEDING EXPERIMENTS WITH MILCH COWS. 



1891. 



General introduction to our late feeding experiments with milch 



cows. 



I. Feeding experiment with milch cows : Old-process linseed 



meal vs. gluten meal (Chicago variety) . 



II. Feeding experiment with milch cows : Gluten meal (Chicago 



variety) vs. cotton-seed meal and old-process linseed meal. 



III. Summer feeding experiment with milch cows : Green feed, — 



vetch and oats, soja bean and fodder corn. Grain feed, — 

 corn meal, gluten meal (Chicago variety), with dried 

 brewers' grain vs. wheat bran. 



IV. Creamery record of the station for 1890 and 1891, with a 



description of modes of analysis. 

 V. Analysis of fodder and valuation of fodder. 



General Introduction. — In summing up in our late annual 

 report the principal results obtained in connection with a series 

 of feeding experiments with milch cows, carried on from 1885 

 to 1889 at the Massachusetts State Agricultural Experiment 

 Station, special attention was called to the fact that until 

 quite recently our main object has been to compare the 

 economical value of some of our most prominent current 

 home-raised coarse fodder articles when used for dairy pur- 

 poses. English hay, rowen (hay of second cut of upland 

 meadows) , dry fodder corn, corn stover, corn ensilage and 

 several varieties of roots (sugar beets and carrots) were the 

 fodder articles of that description used. They were fed as far 

 as practicable under otherwise corresponding circumstances. 



To attain this end it became necessary to use in all cases 

 alike the same kinds and the same quantities of grain feed in 

 compounding the daily diet of the cows on trial. The selec- 



