64 FIRST LESSONS IN DAIRYING 



Eraser reports experiments in which 90 times as 

 much dirt fell from a muddy udder, and 18 times as 



A B 



A RELATIVE AMOUNT OF DIRT FALLING FROM A MUDDY, UN- 

 WASHED UDDER, I, WAS NINETY TIMES AS GREAT AS FROM 

 THE SAME UDDER WASHED, 2 ; WHEN ONLY SLIGHTLY SOILED, 

 B, EIGHTEEN TIMES AS MUCH, I, AS AFTER WASHING, 2. 



much from a slightly soiled udder as from a clean 

 washed udder. 



The first streams of milk should be rejected from 

 each teat, as they are heavily loaded with bacteria 

 which have gained an entrance and found there 

 favorable conditions for rapid growth. 



A milk pail with a small opening will very 

 materially reduce the amount of dirt falling into 

 it during the milking operation. An opening 



SMALL OPENING MILK PAILS ARE NOW BEING USED QUITE EX- 

 TENSIVELY. A PAIL WITH VISOR TO REDUCE AREA OF HORI- 

 ZONTAL OPENING AND MANNER OF PROTECTING SAME WITH 

 PAPER IS USED IN THE DAIRY DEPARTMENT AT CORNELL UNI- 

 VERSITY, AS SHOWN IN THE TWO FIGURES AT THE RIGHT. 



