578 



MILK 



of the association. He weighs the food of each cow, weighs and 

 tests the milk, and enters the results in a book specially designed 

 for his purpose. He carries an outfit with him, consisting of a 

 Babcock tester with the necessary glassware and chemicals, 

 sample bottles, a spring balance, a milk sampler, thermometer, and 

 dividers. He also carries a "shot-gun can" which is 8 inches in 



THE PROFIT FROM TWO HERDS FOR ONE YEAR 



,r .. , 5tatc Bamiv 



p^ a. UiA, . 



:' ■ . ^ - CtiAX-JM^ 



*1,5.T3 



' :■ State Bank, . ,, 



WHY THIS DIFFERENCE? 

 Herd A 



Herd D 



IT WAS NOT THE SIZE OF HERD .11 COWS tl COWS 



2 PURE BRED I NATIVE 

 IT WAS NOT THE BREED 9 GRADES 10 GRADES 



IT WAS NOT THE FEED COST .*526.70 »569.96 



(silos AMD GOOO 8UIL0IHGS OH EACH FM>) 



HERE IS THE ANSWER 

 Average production of , 



BUTTER fat 171.1 LBS, 386.9 LBS. 



PER COW I PER COW 



This Is A True Story As Told By 



NoRAL:-IT WOULD have taken 93 POOR COWS TO MAKE 

 THE PROFIT THE II GOOD COWS MADE. 



DOES >T PAY TO KEEP RECORDS? 



Fig. 232. — What are your herd profits? The yearly reports of these 

 herds in adjoining counties illustrate how many dairymen are wasting time 

 and money on low producing cows. Why not get rid of your visitors? (Negley 

 and Harris, Circular 67, February, 1917, Extension Service of the CoUege of 

 Agriculture, Univ. of Wisconsin.) 



diameter and 20 inches high. The can holds 35 pounds of milk 

 and, since the sides are straight, a correct sample can be obtained 

 with a sampler. 



The tester does all his work on the farm, a matter of some 

 importance, inasmuch as it interests the farmer and teaches him 

 many things about his herd and the product, which would other- 

 wise escape his attention. The influence of this work is psycho- 



