HOME-GROWN DAIRY FOODS FOR WINTER USE l6l 



and butter. Four cows were included in the test, 

 which continued for two months. Two were fed for 

 the first 30 days on the "good ration" and the other 

 two on the "poor ration," then the rations were re- 

 versed in order to equalize the effect advance of 

 lactation. 



It will be observed that the total dry matter as 

 well as the total digestible nutrients were prac- 

 tically the same in both rations, but a study of the 

 separate food compounds shows that the protein 

 and fat in the poor ration were less than half the 

 amount contained in the good ration, with an excess 

 of carbohydrates, thus making the nutritive ratio 

 extremely wide. The feeding of rations similar in 

 character to the poor one is quite common in many 

 dairy sections. 



THE YIELD OF MILK AND FAT 



The milk from each cow was weighed daily, and 



sampled and analyzed for percentage of butter fat. 



The following table shows the daily yields of milk 



and its composition as well as the total yield per 



cow of milk and of fat during each period of the 



test: 



Summary of Test 



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