155 



Average yield of milk per day for 11 



days while on regular meal ration . . 88Hi Iba. 



Milk produced by group first day of 11-day 



period 89 " 



Milk produced by group average of last 7 



days before being fed ' pea dust'.. 87% " 

 Average yield of milk per day for 17 days 



while being fed 'pea diust ' 84 " 



Average yield of milk per day during first 



week while being fed 'pea dust'.. 



Average yield of milk per day for last 3 



days while being fed 'pea dust'.. 



Kate of decrease 



Normal rate of decrease for period. ... 5% 

 Though the cattle did not like the pea dust, and some difficulty 

 was experienced in getting them to eat the whole amount supplied, 

 yet the results compare very favourably with what might have been 

 expected from the regular ration. It will be seen that the rate of 

 decrease for the period was reduced below the normal. 



EXPERIMENT WITH 'SPIRIT GRAINS/ 



f Spirit Grains,' a product of distilleries, was substituted at 

 the rate of 8 Ibs. per day for the regular grain ration which was 

 fed in a similar quantity. The roughage ration was the same aa 

 was supplied before the experiment was begun. 



Number of cows under test 4 



Average meal ration (bran, oats, oil meal) 



before test 8 Iba. 



Average hay ration before test 5 " 



Average ensilage and roots ration before 



test 60 " 



Averaye yield of milk per day during 11 

 days before feeding of ' spirit grains ' 



began 80 a 



Milk yielded by group first day of 11-day 



period 8l " 



Milk yielded by group average of last 7 



days before feeding ' spirit grains'.. 79% " 



