TITLE

Evaluation of PCR test for detecting major pathogens of bubaline mastitis directly from mastitic milk samples of buffaloes

AUTHOR(S)
P. Anand Kumar
PUB. DATE
December 2009
SOURCE
Tropical Animal Health & Production;Dec2009, Vol. 41 Issue 8, p1643
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Abstract  Present study is aimed to evaluate the PCR test for detecting the major pathogens of bubaline mastitis (BM) directly from the mastitic milk samples of the buffaloes. Cell lysates of the enriched mastitic milk samples were directly used as template DNA in PCR and the reactivity of genus and/or species specific primers against the selected pathogens of BM was tested in individual simplex PCR assays. Out of the 60 mastitic milk samples tested 30 were positive for E. coli, 21 were positive for S. aureus, 4 were positive for S. agalactiae, 9 were positive for S. dysgalactiae and 7 were positive for S. uberis. Certain samples were positive for more than one pathogen thus indicating the mixed infection of the udder. Although certain mastitic milk samples reacted with Staphylococcus genus specific primers, they didn’t react with S. aureus specific primers in PCR, which indicates the implication of other species of Staphylococcus in BM. The processing of mastitic milk samples was also simplified by eliminating the use of expensive reagents. The detection limits of PCR with the cell lysates are sensitive enough for PCR to be used as diagnostic tool for identifying the pathogens of BM.
ACCESSION #
45016121

 

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