20 



of protein is very high. In the case of horses, this is very objectionable. 

 Feeders tell me that horses fed on alfalfa hay often have trouble with their 

 kidneys, and it is not strange that they should, for when protein is burned 

 in the body it produces urea, which is removed from the system through the 

 kidneys. It seems that the kidneys of horses are more sensitive than those 

 of cattle, for cattle thrive on alfalfa hay alone, though they do not put on 

 much good solid fat, for this feed is deficient in carbohydrates and fat, from 

 which the fat of the body seems to be made. 



" The horses receiving this ration are worked every other day, and weigh 

 800-900 lbs. On the work day the grain is increased and the roughage 

 decreased, the opposite change being made on the days when no work is 

 done. The following rations, materials for one or more of which may be had 

 in all parts of this state, furnish sufficient nutriment for horses at medium 

 hard work: 



1. 



Protein. F I'l. 



IG lbs. orchard grass hay .75 G.70 



12 lbs. oats 1.12 6.92 



1.87 13.02 

 2. 



16 lbs. brome hay .72 7.05 



12 lbs. oats 1.12 6.92 



1.84 13.97 



3. 



16 lbs. tall meadow oat grass .90 5.59 



12 lbs. oats 1.12 6.92 



2.02 12.51 



4. 



8 tT)s. alfalfa hay .86 3.40 



8 lbs. wheat hay .27 3.83 



10 lbs. oats .93 5.77 



2.06 13.03 



" The two following rations, commonly fed to working horses in the 



Palouse Country, are rather low in protein : 



18 IT)S. timothy hay .52 8.00 



10 rbs. oats .93 5.77 



1.45 13.77 



16 1T)S. wheat hay .54 7.71 



12 lbs. oats 1.12 6.92 



1.66 14.63 



" Horses not at tcorJc. Young, growing stock alwaj's need more nutriment 

 in proportion to weight than mature animals under similar conditions. The 

 following remarks concerning idle horses do not, therefore, apply to young 

 horses that are still growing. Their case will be considereil later. In large 



