PRODUCING GOOD MILK 



301 



sunshine is a good disinfectant. The walls and floors should 

 be tight so as to avoid drafts of air. Ceilings should be seven 

 or eight feet high with a tight floor. In dairy districts tuber- 

 culosis is very common among" dairy cows, and it is partly 

 due to the housing of cows in ill-ventilated, dark, and dirty 



68. UNFAVORABLE CONDITIONS FOR THE PRODUCTION OF CLEAN 



AND HEALTHFUL MILK 



During the cold months many milch cows are stabled in barns no better than this one 



By courtesy of the Indiana Experiment Station 



stables. It is a good practice to groom the milch cow every 

 day. Grooming not only keeps the skin clean, but also 

 keeps it in a healthier condition. The manure which may 

 get on the hind legs from lying down in the stall should be 

 cleaned off every day, otherwise it collects in chunks, is un- 

 sightly, and some of it is sure to get into the milk. 



4. Much dirt gets into the milk at milking time. When the 



