192 



BACTERIA IN MILK AND MILK PRODUCTS 



Deldpine showed that mixed milks coming from a distance of over 

 40 miles, and generally kept for from twenty-four to sixty hours, and 

 even more in a few cases (tuberculous samples excluded), gave the 

 following returns : — 



Mixed milks coming from a short distance (generally under 20 

 miles), most of them kept for less than ten hours (with the excep- 

 tion of five out of the seven bad specimens, and four out of the 

 twenty-two good specimens, which had been kept somewhat longer), 

 (tuberculous samples excluded), gave the following results :— 



Whilst unmixed, milks kept for various lengths of time, but 

 collected from the udder in sterilised vessels (tuberculous samples 

 excluded), resulted as follows : — 



