74 Report of L>ei'art:ment of Animal IIusbandky of the 



increasing the amount of nutrients. 



The average from 268 records when the amount of total nutri- 

 ents in the ration was increased shows no shrinliage in milk 

 .yield following the change. The relative increase of protein in 

 the lation was much less than that of the total nutrients. The 

 average month of lactation was 5.1 and the average age about 

 4.7 years. The gain in weight was very slow before the change 

 and averaged over one-half pound per day afterward. 



Table II. — An Incrkahe in the Amount of Total Nutrients. 



REDUCING THE AMOUNT OP NUTRIENTS. 



The average from 263 records when there was a reduction of 

 the amount of total nutrients shows a shrinkage in the milk 

 flow twice as great as would generally occur dnriug the same 

 time at this stage of lactation without change in the I'ation. 

 The average reduction in the amount of i)rotein was slight. The 

 average mouth of lactation was 5.7 months and the average age 

 4.9 years. The gain in live weight, which was at the rate of 



