73 



Of that mixture each cow consumed an average of 92*7 lb. per day. The 92'7 lb. 

 of the mixture contained 10'9 lb. of the mixture of bran, chopped pease, oil-cake 

 and cotton-seed meal. The cost per day was calculated on the same basis of valua- 

 tion as was used in the tests in the feeding of steers, viz. : — hay at $8 per ton ; roots 

 at $4 per ton ; wheat, bran, pease and barley at $20 per ton ; and cotton-seed meal 

 and oil-cake at $30 per ton. Corn ensilage cost $1.40 per ton, as per statement in 

 Bulletin No. 12, issued by Prof. Saunders in June, 1891. Upon that scale of values, 

 the cost per day was 19-37 cents per cow for feed. 



The average quantity of milk, which had been yielded by the three cows during 

 the weeks which preceded this test — 1st March to 22nd March — was 28*3 lb. each 

 per day. From 23rd March to 19th April the average quantity of milk was 28-94 

 lb. per cow per day. 



The average quality of the milk, as determined by eight tests of morning milk 

 and eight tests of evening milk of each cow, showed 3-52 per cent of fat. 



The animals weighed an average of 1,195 lb. each at the commencement, and 

 an average of 1,207 lb. each at the end of the four weeks. 



Second Period. 



After the feeding of the ration 1, for four weeks, the quantity of corn ensilage 

 was increased to 90 lb., with the same quantity of meal as before. The ration as 

 then arranged was : — 



Corn ensilage 90 



Wheat bran C 2 



Chopped pease 1 



Oil-cake 2 



Cotton-seed meal 2 



_98 



Of that mixture each cow consumed an average of 95 lb. per day, which contained 

 7-7 lb. of the meal mixture — bran, chopped pease, oil-cake and cotton-seed meal. 



The cost per ria,y was 15-77 cents per cow, or 3-6 cents per cow less than in 

 the former case. 



The average quantity of milk was 26 lb. per cow per day. 



The animals weighed an average of 1,200 lb. each at the end of the four weeks. 



Third Period. 



Daring the third period of foi weeks the ration was : — 



Lb. 



Corn ensilage 40 



Hay 20 



Bran 2 



Chopped pease 2 



Oil-cake 2 



Cotton-seed meal ' 2 



_68 



Of that mixture each cow consumed an average of 53*6 lb. per day, which contained 

 6-3 lb. of the meal mixture — bran, chopped pease, oil-cake and cotton-seed meal. 



The cost per day was 16-4 cents per cow. 



The average quantity of milk was 21-7 lb. per cow per day. 



The animals weighed an average of 1,234 Id. each at the end of the four week? 



