CATTLE. 

 TABLE OF FEEDING STANDARDS. 



PER DAY AND PER 1,000 LBS. LIVE WEIGHT. 



107 



The carbohydrates cannot restore the worn out muscles or membranes of the animal any 

 more than coal can be made to renew the used up packing, bolts, valves, flues, and gearing of 

 a steam engine. The albuminoids are to the ox or the man what brass and iron are to the 

 machine, the materials of construction and repair. 



The carbohydrates are, furthermore, to the animal very much what coal and fuel are to 

 the steam engine. Their consumption generates the power which runs the mechanism. Their 

 burning (oxidation) in the blood of animals produces the results of life just as the combustion 

 of coal in the fire-place of the steam engine produces the motion and power of that machine. 



There is, however, this difference between the engine and the animal. The former may 

 be stopped for repairs, the latter may run at a lower rate, but if it be stopped it cannot resume 

 work. Hence the repairs of the animal must go on simultaneously with its wastes. There 

 fore, the material of which it is built must admit of constant repla-cement, and the dust and 

 shreds of its wear and tear must admit of escape without impeding action. 



The animal body is as if an engine were fed with coal and water not only, but with iron, 

 brass, and all the materials for its repair, and also as if the engine consumed its own worn 

 out parts, voiding them as ashes or as gas and smoke. The albuminoids, or blood and tissue- 



