On the Isolation and Identification of Bacteria for Dairy Cow Mastitis

The experiment isolated and identified bacteria from cow milk samples from two milk industry group in Jilin suburb.Isolated 62 bacterial strains from 8 samples,in which 51 bacterial strains contains 4 main pathogenic bacteria.The four bacterial rate of clinical mastitis is that Staphylococcus Aureus is 36.36%,Escherichia coli is 9. 09%,Streptococcus agalactiaes is 27.27%,Streptococcus uberis is 9.09%.And the four bacterial rate of recessive type is that Staphylococcus Aureus is 38.89%,Escherichia coli is 27.28%,Streptococcus agalactiaes is 11.11%, Streptococcus uberis is 11.11%.