Study the effect of numbers of pre-milking stripping of milking cows on the milk total bacterial count

In this article, in order to demonstrate the importance of the numbers of pre-milking stripping on the milk total bacterial count (TBC) of milking of cows, thirty cows with clinically normal milk were selected from Garmsar suburban farms. Milk samples were collected from the first, the third and the fifth milking strips in the process of pre- milking udder preparation. In order to determine TBC and SCC, the collected milk samples were immediately transported to a laboratory. TBC and SCC were rechecked after 48 hours of wetting the beddings. Results showed that the medians of TBC in the dry bedding group were significantly different between first (4458.5), third (1725) and fifth 0) stripping, and in the wet bedding group between first (23741), third (10750) and fifth (1250) stripping (P=0. 00). TBC was statistically higher in dry bedding than wet bedding group (P=0. 00). SCC was also statistically higher in the dry bedding (675×103) than in the wet bedding (712.5×103) group (P=0. 00).The correlation between SCC and TBC was not found, with an exception in third stripping in dry bedding group (P>0.05). It was concluded that pre-milking stripping was essential, at least until 5 strips in a dry bedding, and more than 5 strips in a wet bedding.