Calculating Bations for Farm Animals. 



107 



First trial ration for dairy cow weighing 1,000 pounds and yielding SZ 

 pounds of milk daily — Wolff -Lehmann Standard. 



This trial ration falls considerably below the standard, espe- 

 cially in protein, and to correct this, 3 pounds of oil meal are 

 added. 



Second trial ration for dairy cow weighing 1,000 pounds and yielding 

 22 pounds of milk daily — Wolff- Lehmann Standard. 



The second trial ration is 2 pounds below the standard in dry 

 matter, something of little significance as it is really of satisfactory 

 volume as it stands. All the nutrients are slightly ia excess of 

 the standard, the nutritive ratio being 1: 5.9, whUe the standard 

 calls for 1:5.7. 



We learn from this that a satisfactory ration for a dairy cow 

 weighing 1,000 pounds and yielding 22 pounds of milk daily may 

 be composed of the following: Eed clover hay, 8 pounds; com 



