56 ILLINOIS DAIRYMEN'S ASSOCIATION. 



of ISO F. for a half hour or longer, perhaps, is necessary to 

 destroy spore bearing germs. I do not think any exact tempera- 

 ture or time can always be found as a positive death point for 

 all germs, but perhaps in general terms those two temperatures 

 as applied to those two classes of germs might be approximately 

 correct. 



Mr. Hayden : — My experience has been 140 degrees for kill- 

 ing lactic acid germs. 



Prof. Farrington : — I was trying to divide them into two 

 classes. 



Mr. Smith : — The point I made, Mr. President, I insist that 

 the only safe way for us farmers to do is to keep these pesky 

 little things out of the milk, then go to Chicago, or any other 

 large city, and say, " We are doing our share, gentlemen. Do 

 not decry the use of milk ; it is a good food, the most economical 

 food you can use in your family. We are giving it to you at 

 least comparatively free from harmful germs. You folks take 

 care of your children and if they do die, don't lay it to us," and 

 the best way to do that is not to sell pasteurized milk. People 

 are getting to look on pasteurized milk as milk that was in the 

 beginning positively dirty with the possibility of a cure in the 

 shape of pasteurization. 



The President : — Professor, why do you object to putting 

 cotton on top of the pail to catch those fellows ? 



Prof. Smith : — I have no objection whatever to the use of 

 cotton in the top of the pail if the stable is clean and the cows 

 are clean, but don't you see that the use of -cotton in a pail where 

 you are milking a dirty cow and rubbing dirt off her sides all the 

 time? It means that cotton simply collects the dirt and filth so 

 you cannot see it in the milk, and holds it there while you wash 

 off all the bacteria on it. In a good clean stable, by all means 

 use the Gurler pail and cotton, but in a stable where you cannot 

 control keeping the udders and cows clean, don't use the cotton. 

 In a stable where the udders and sides of the cow are kept clean, 

 the cow stands up with clean bodies, and what the cow has 



