520 



Journal of Agriculture, Victoria. [11 Sept., 1916. 



By changing ration a saving of Id. per cow daily was effected without 

 influencing the milk yield, because the decrease from 27^ lbs. to 26 lbs., 

 is accounted for by advanced lactation of best cows and calving of first 

 year heifers. 



Note.- — That by selection of foods the same amount of nutrients may 

 be obtained at reduced cost. 



Concentrates cost 2,7d. per gallon. 



No. 4. 

 Situated near Melbourne. 

 June, 1916 — 20 cows; daily average, 21f lbs.; best cow, 32 lbs. 



6.15 



Tsfote. — Short paddock feed, occasionally graze barley cro^j. Cows rugged 



Concentrates cost 1.8d. per gallon. Total feed costs 2.8d. per gallon. 



July — 20 cows; daily average, 22 lbs. ; best cow, 32 lbs. Feed changed 

 to 3 lbs. polly feed, 2^ lbs. bran, If lbs. crushed oats. Daily cost increased 

 to 4.3d. per cow. 



August — 20 cows; daily average, 19 lbs. per cow. Feed increased 

 to 4 lbs. bran, 3 lbs. polly feed, 22 lbs. crushed oats, and 7-^ lbs. chaff, 

 costing for concentrates 4.9 per cow daily, and 2.6 per gallon. The 

 amount of milk yielded does not require this amount of concentrate. 

 The increase is unnecessary and too costly. In June the cost of concen- 

 trates was 1.8d. per gallon on 21f lbs. average; in August the cost has 

 increased to 2.5 per gallon on 19 lbs. average. The paddock feed was 

 apparently the same during each month. 



^"0. 5. 

 Situated 30 miles from Melbourne. 

 August, 1916 — 124 cows; daily average, 21 lbs. 



Cost per cow 



per day. 



d. 



3.9 



1.8 



5.7 



.97 



2.56 



.18 



Notes. — ^Very short paddock feed. Milk sold wholesale. 



34 lbs. maize silage and 10 lbs. oaten chaff. 

 Concentrates cost 2.7d. per gallon. 



