EXERCISE 42. THE FEED-UNIT SYSTEM 



(Reference, Productive Feeding, Chapter IX) 



1. A cow freshened December 12, 1913, and was milked until February*4, 

 1915. During this time she produced 18459.2 pounds milk containing 667.79 

 pounds butter fat, and consumed the following amounts of feed: 



5,385 pounds alfalfa hay. 



4,423 pounds corn silage. 



640 pounds mangels. 



7,111 pounds green alfalfa. 



1,760 pounds green barley. 



386 pounds green corn. 



1554.3 pounds wheat bran. . 

 1169.9 pounds rolled barley. 



927.8 pounds rolled oats. 



363.9 pounds linseed meal. 

 455.7 pounds coconut meal. 



1420.4 pounds dried beet pulp. 



Her average weight during this time was 14QO pounds. 



"i 



2. Another cow in the same herd freshened February 6, 1914, and milked 

 until January 21, 1915. During this time she produced 6058.9 pounds milk 

 containing 213.55 pounds butter fat; her feed consumption was as follows: 



5091 pounds alfalfa hay. 

 2228 pounds corn silage. 



9495 pounds green alfalfa. , 



" 1369 pounds green barley. 



571 pounds bran. 



595 pounds rolled barley. 



373 pounds rolled oats. 



142 pounds linseed meal. 



222 pounds coconut oil meal 



153 pounds dried beet pulp. 

 Her average weight was 1450 pounds during this time. 



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