456 



Feeds and Feeding. 



The results of the testa with each breed are couaidered in tlM 



following table: 



Trials with purebred dairy cows at three American Statioms. 



Breed. 



No. of] 

 cows. 



No. of 

 lacta- 

 tion pe- 

 riods. 



Average yield 

 per year. 



Milk. 



Fat. 



Av. 



per 

 cent, 

 fat. 



Cost of- 



100 lbs. 

 milk. 



lb. fat 



New York Sta- 

 tion. 



American Hold- 

 erness 



Ayrshire 



Devon 



Guernsey 



Holstein 



Jersey 



Short-horn 



Maine Station. 



Holstein 



Ayrshire 



Jersey 



New Jersey/ Sta- 

 tion. 



Ayrshire 



Guernsey 



Holstein 



Jersey 



Short-horn 



Lbs. 



5,721 

 6,824 

 3,984 

 5,385 

 7,918 

 5,045 

 6,055 



8,369 

 6,612 

 5,460 



7,461 

 7,446 

 8,455 

 7,695 

 10,457 



Lbs. 



213.1 



244.8 

 183.3 

 285.5 

 266.1 

 282.1 

 269.0 



285.0 

 2S3.0 

 297.0 



275.3 

 379.0 

 300.2 

 376.3 

 396.3 



3.73 

 3.60 

 4.60 

 5.30 

 3.36 

 5.60 

 4.44 



3.47 

 3.67 

 5.50 



3.69 

 5.09 

 3.55 

 4.89 

 3.79 



Cents. 



76.0 

 74.0 

 94.0 



86.0 

 65.0 

 90.0 

 78.0 



85.5 

 94.9 

 113.0 



76.0 

 78.1 

 79.7 

 87.5 

 79.0 



Cents. 



20.1 



20.2 

 20.5 

 16.1 

 19.1 

 16.1 

 1''>.2 



25.2 

 26.8 

 20.4 



20.6 

 15.3 

 22.4 

 17.9 

 20.8 



688. Combining the results. — To secure better averages the 

 figures last presented are combined in the following table, the 

 cows being grouped by breeds: 

 Summary of trials with pure-bred dairy cows at three American Stations. 



Breed. 



.\merican Hold 

 emess... 



Ayrshire 



Devon 



Guernsey 



Holstein - Fries- 

 ian 



Jersey 



Shortrhom 



No. ofl 

 cows. 



No. of 

 lacta- 

 tion pe- 

 riods. 



Average yield 

 per year. 



Milk. 



Lbs. 



5,721 

 6,909 

 3,984 

 6,210 



8,215 

 5,579 



Fat. 



Lbs. 



213.1 

 248.5 

 183.3 

 322.9 



282.0 

 301.1 

 345.4 



Av. 



per 

 cent, 

 fat. 



3.73 

 3..60 

 4.60 

 5.20 



3.43 

 5.40 

 3.97 



Cost of — 



100 lbs. 

 milk. 



Cents. 



76.0 



78.5 

 94.0 

 82.8 



74.7 

 94.7 

 78.7 



lib. fill. 



Cents. 



20.1 

 21.5 

 20.5 

 15.8 



21.5 

 17.4 

 19.4 



