Puhlic Tests of Pure-hred Dairy Coivs. 



429 



While the roughage supply for the cows under test was not large, 

 a heavy concentrate allowance of from 19 to 24 lbs. was fed daily, 

 the Brown Swiss cows getting the largest and the Jerseys the least. 



694. Records of great cows.— The Guernsey cow Yeksa Sun- 

 beam/ during a semi-official test beginning September 1904, produced 

 milk and fat from feeds as reported below. The concentrates con- 

 sisted of a mixture of bran, gluten feed, and oil meal. 



Ration and production of the Guernsey cow YeJcsa Sunbeam. 



Month 



Monthly 



yield 

 of milk 



Per ct. 

 of fat 



Monthly 

 yield 

 of fat 



12 



Silage, hay, concentrates 15 lbs 



Silage, hay, concentrates 15 lbs 



Silage, hay, concentrates 15 lbs. 



Silage, alfalfa hay, rutabagas 10 lbs., con 



centrates 15 lbs. 



Silage, alfalfa hay, rutabagas 10 lbs., con 



centrates 14 lbs. 



Silage, alfalfa hay, rutabagas 10 lbs., con 



centrates 14 lbs. 



Silage, alfalfa hay, rutabagas 10 lbs., con 



centrates 11 lbs. 



Pasture, mixed clover hay, concentrates 



12 lbs. 



Pasture, mixed clover hay, concentrates 



8 lbs. 



Pasture, concentrates 10 lbs. 



Pasture, green clover 8 lbs., concentrates 



10 lbs. 



Pasture, clover hay, concentrates 14 lbs... 



Totals and average 



Lbs. 

 1, 428. 2 

 1,322.5 

 1,294.4 



1,217.0 



1,060.8 



1,185.1 



1,089.6 



1,127.5 



1,158.4 

 1,266.0 



1,463.8 

 1,307.5 



5.69 



5.62 

 6.08 



6.04 



5.75 



6.05 



5.79 



5.75 



5.25 



6.88 



5.42 

 5.67 



Lbs. 

 81.26 

 74.32 



78.70 



73.51 

 61.00 

 71.70 

 63.09 



64.83 



60.82 

 74.44 



79.34 

 74.14 



14,920. 



5.74 



857.15 



During the year ending January 25, 1909, the pure-bred Jersey 

 cow Jacoba Irene- produced 17,253 lbs. of 5.53 per ct. milk, con- 

 taining 954.2 lbs. fat. Besides pasture for 6 hours daily during 5 

 months, she consumed feed as follows: 



Concentrates Roughages 



Bran _ 1,694 pounds Corn silage .. 7,400pounds 



Corn 661 pounds Chaffed hay.. 1,074 pounds 



Oil meal 489 pounds Long hay 3,000pounds 



Gluten 1,615 pounds 



Ground oats 364 pounds 



In a semi-official test ending December 22, 1907, the Holstein 

 Friesian cow Colantha 4th 's Johanna'' produced 27,432.5 lbs. of 3.64 

 per ct. milk, containing 998.26 lbs. of fat, or an average yield of 2.73 



' Wis. Sta., Bui. 131. = Jersey Bui. 28, p. 274. ^ Wis. Sta., Bui. 160. 



