6Pradhan P, Gopinath S M, Reddy G R, et al. Detection of ma- jor pathogens in bovine sub-clinical mastitis by multiplex PCR directly from milk samples in presence of an internal control [J]. Indian J Funda App Life Sci,2011,1(4):209-218.
7Renee R, Khampoune S, Hayssam K, et al. Development of a rapid and sensitive test for identification of major pathogens in bovine mastitis by PCR[J]. J Clin Microbiol, 2001,39 (7) : 2584- 2589.