3IAiS^UAL OF CATTLE-FEEDIHG. 437 



Amount of Food consumed.—Soxlilef s experiments 

 were made with tliree young calves from eiglit to thirty 

 days old, fed with milk, of which they were given approxi- 

 mately the amounts which they had been f omid to consume 

 in preliminary trials. The following table exhibits the 

 amount of the several nutrients consumed by an average 

 animal two to three weeks old and weighing 100 pounds, 

 and may be called the feeding-standard, so far as such a 

 standard can be deduced from so few experiments. The 

 quantities here given are, without doubt, abundant. 



Consumption peb Day and 100 lbs. Liv^i-weight. 



Lbs. 



ITresh. milk , 16.20 



Total dry matter , 1. 93 



Protein. 0.49 



Pat 0.47 



Carbhydrates (milk-sugar) 0.84 



Ash 0.13 



Nutritive ratio 1 ; 4.0 



The average gain of weight per day was 1.85 pound. 



In regard to the digestibility, it may be said that the 

 milk was almost completely digested ; only about 2.3 per 

 cent, of the dry matter appeared in the excrements, so that 

 for our present purposes no deduction need be made on 

 this account from the above figures. 



It will be observed, in the first place, that the food pro- 

 duced a much greater increase of weight than is the case 

 with mature animals, one pound of dry matter of the food 

 producing a gain of almost a pound in weight. The cause 

 of this we shall consider later. 



The following table gives a comparison of tlie total nu~ 

 trlthe matters^ jprotein^ and mdntlve ratio of the above 

 ration (calculated on 1,000 pounds live-weight) with the 



