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 



WHY THIS DIFFERENCE? 

 HERD A 



IT WAS NOT THE SIZE OP HERD ..... .11 COWS 



IT WAS MOT THE BREED 



IT WAS NOT THE PEED COST ________ J 5 26. 70 



(SILOS AND GOOD BUILDINGS ON EACH FARM) 



HERE IS THE ANSWER 



AVERAGE PRODUCTION OP 

 BUTTER PAT ______________ 171.1 LBS. 



PER COW 



THIS Is A TRUE STORY As TOLD BY 



HERD B 



II COWS 

 I NATIVE 

 10 GRADES 



3569.96 



386.9 LBS. 

 PER COW 



MORAL:- IT WOULD HAVE TAKEN 93 POOR cows TO MAKE 



THE PROFIT THE II GOOD COWS MADE. 



DOES IT 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 College 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- 



