Indian Journal of Animal Research

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Indian Journal of Animal Research, volume 39 issue 2 (july to december 2005) : 127 - 130

STUDIES ON PREVALENCE, ETIOLOGY AND DIAGNOSIS OF SUBCLINICAL MASTITIS AMONG CROSSBRED COWS

N.A. Sudhan, R. Singh, M. Singh, J.S. Soodan
1Division of Veterinary Clinical Medicine and Jurisprudence, Faculty of Veterinary Sciences and A.H., SKU.A.S.T.. R.S. Pura. (J&K) -181 102. India

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Cite article:- Sudhan N.A., Singh R., Singh M., Soodan J.S. (2024). STUDIES ON PREVALENCE, ETIOLOGY AND DIAGNOSIS OF SUBCLINICAL MASTITIS AMONG CROSSBRED COWS. Indian Journal of Animal Research. 39(2): 127 - 130. doi: .

ABSTRACT

Incidence of subclincial mastitis (SCM) among crossbred cattle from organized dairy farms
was studied. The quarter-wise and animal-wise incidence of SCM was 15.62 and 43.33 per
cent, respectively. Maximum number of animals (74.36 %) were having one quarter infection.
Right-hind quarters were having higher incidence (38.18%) compared with other quarters. The
incidence of SCM was lowest during first lactation which increased with subsequent lactations
and was highest in sixth and above lactations. Bacteriological isolations revealed that Staphylococcus aureus was the major pathogen (56.89%) followed by Micrococcus spp.(15.51 %) Bacillus spp. (12.06 %) , Staphylococcus epidermidis (8.62 %), Klebsiella spp (3.44 %), E. coli (1.72 %) and Corynebacterium spp. (1.72 %). Among the indirect tests, SLS was found to be highly (19.03 %) effective in detection of subclinical mastitis followed by WST, BTB Card test and CMT (15.90, 15.62 and 14.77 %, respectively). The percentage of agreement of CMT, SLS, BTB
Card test and WST with bacteriological examination were found to be 57.89, 62.07, 64.46 and
68.65 per cent, respectively.

KEYWORDS

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