POINT OF VIEW ON LIVE-STOCK PROBLEMS 221 



she does not give 7000 pounds of milk per year. If cream or 

 butter are sold at wholesale prices, it is doubtful if there 

 is much profit in keeping a mature cow that with good 

 feeding fails to give 250 pounds of butter per year. (See 

 also pages 170 and 180.) 



In order not to discriminate against heifers, their 

 productions may be increased as follows, in order to com- 

 pare with mature cows : l - 



AGE AT BEGINNING OF TEST 



PERCENTAGE TO INCREASE RECORD 

 FOR COMPARISON WITH MATURE Cows 



2 1 years 



3 -3^ 

 3i-4 



4 -4 a 



30% 

 24 

 18 

 15 



8 



5 



Milk records, like all other farm records, are an aid in 

 making decisions. All such records must be used with 

 judgment. A good cow may have an " off year " for some 

 reason. One must not follow the records blindly. 



144. Egg records. If many hens are kept, an egg 

 record becomes important. Such a record can readily 

 be kept by having a sheet of paper on the wall with a lead 

 pencil beside it. The eggs should be counted as they are 

 taken from the nests, and put down every day. If it is 

 desired to know how many eggs are used in the house, the 

 number sold and incubated can be subtracted from the 

 number laid, or if this is not accurate enough, those used 

 may be counted. The following form may be fastened 

 in a convenient place. If the hens are counted once a 

 year, and the record kept of deaths, sales, and those eaten, 



1 Wisconsin, Bulletin 226, pp. 7-8. 



