BACTERIOLOGY OF SUB CLINICAL MASTITIS AND ANTIBIOGRAM OF ISOLATES RECOVERED FROM CROSS BRED COWS

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dc.contributor.authorElango, A
dc.contributor.authorDoraisamy, KA
dc.contributor.authorRajarajan, G
dc.contributor.authorKumaresan, G
dc.contributor.authorTANUVAS
dc.date.accessioned2020-06-01T06:41:43Z
dc.date.available2020-06-01T06:41:43Z
dc.date.issued2010
dc.descriptionTNV_IJAR_2010_44(4)280-284en_US
dc.description.abstractA total of 178 milk samples from apparently healthy lactating crossbred cows (98 Jersey cross and 80 Holstein Friesian cross) were screened for sub-clinical mastitis. The physical examination of sub clinical mastitic milk revealed no changes in colour, consistency and odour. The chemical examination revealed increased pH, somatic cell count and chloride content and positive scores on modified california mastitis test. Out of 98 Jersey crosses and 80 Holstein Friesian crosses which were subjected to examination 30 Jersey crosses(30.61%) and Holstein Friesian crosses 27(33.75%) were found to be affected with subclinical mastitis with a cumulative incidence of 32.02% in cross bred cows. The isolated pathogens from sub-clinical cases and their relative frequencies were: Staphylococcus sp. (38.59%), Streptococcus sp. (35.08%), Escherichia coli (12.28%), Corynebacterium pyogens (8.77%) and Bacillus sp. (5.26%). The in vitro antibiogram revealed Ceftriaxone(92.66%), Enrofloxacin(89.83%), Kanamycin (88.13%), Ciprofloxacin (82.3%) were most effective, Gentamicin (63.16%) and Chloramphenicol (55.93%) were moderately effective and Tetracycline (32.20%), Ampicillin(30.50%) and Erythromycin (28.81%) were the least effective drugs.en_US
dc.identifier.urihttp://krishikosh.egranth.ac.in/handle/1/5810146777
dc.keywordsSub clinical mastitis, Etiology, Chloride, Somatic cell count, Antibiogram.en_US
dc.language.isoenen_US
dc.pages280-284en_US
dc.relation.ispartofseries;4
dc.titleBACTERIOLOGY OF SUB CLINICAL MASTITIS AND ANTIBIOGRAM OF ISOLATES RECOVERED FROM CROSS BRED COWSen_US
dc.title.alternativeIndian Journal of Animal Researchen_US
dc.typeArticleen_US
dc.volume44en_US
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