BACTERIA IN THE UDDER 35 



sumers. The bacteria of tuberculosis may be 

 discharged from the udder of a tuberculous cow 

 in the same way. 



The first step in clean milk production con- 

 sists in regular examination of cows' udders to 

 see if they are free from inflammation. 



Dairy farmers must reject all milk which con- 

 tains lumps, or is thick, or deposits gummy material 

 on the milk strainer. 



