114 VETEEINAEY HYGIENE 



internal work of the body. The mean amount of food 

 required by horses doing no work is from 7 lbs. to 7 J lbs. of 

 digestible albuminoids and carbo-hydrates, minus cellulose. 

 Grandeau and Leclerc found that three horses main- 

 tained their weight unaltered for from four to five months 

 on 17i lbs. meadow hay. This amount of hay furnished 

 7-02 lbs. of digestible organic matter for every 1,000 lbs. of 

 bodv-weight, and contained 



•' ° Lbs. 



Proteid ... ■■■ ■•• ■■■ '538 



Carbo-hydrate ... ... ■■■ -■ 6-482 



7-020 



This may be accepted as not far from the truth, of what 

 horses in a state of idleness require every 24 hours for the 

 internal work of their body. 



Oxen. — Numerous experiments have placed the average 

 subsistence diet for oxen at 



Lbs. 

 Proteid ... ... ... ... ... 0-57 



Carbo-hydrate ... ... ... ... 7-40 



7-97 



This amount is furnished by 3'7 lbs. clover hay, 13 lbs. 

 straw and 0-6 lb. rape cake. 



Sheep. — These require more food proportionately than an 

 ox, and the rule holds good that the smaller an animal the 

 relatively larger amount of food it requires, owing to the 

 fact that in proportion to its size the surface it exposes is 

 larger, and in consequence the processes of vital activity 

 are greater. Sheep require for maintenance daily 



Oz. 



Proteid ... ... ... ... ... 2 



Carbo-hydrates ... ... ... ... 17 



These requirements are furnished by 2"75 lbs. hay. 



Worki7ig or Variable Diet. 

 We have now to consider the question of the amount of 

 food required during work, and in spite of the elaborate 

 experiments which have been made on the horse, it must 



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