Ngày tải lên :
16/02/2014, 22:20
... bacteria in different washings I II III Total No bacteria 7,800,000 1, 450,000 49,000 9,299,000 283,000 43,400 1, 685,000 10 5,000 35,000 3 61, 400 61, 400 1, 8 51, 400 Infection of milk in udder cavity ... to both the liquefying and non-liquefying class [Pg 31] Peptonizing [11 ] and spore-bearing [12 ] species have also been reported as well as gasproducing [13 ] forms allied to the colon bacillus Such ... ounce of such filth was removed in 275 pounds of milk, while from cows whose udders had been washed, the same amount of dirt was distributed through 24,030 pounds Fraser observed as a result of...