Mastitis, an economically important disease causes heavy economic losses in dairy cattle associated with poor quality and quantity of milk, milk discard after treatment and increased cost of veterinary services. Escherichia coli is reported to be the major environmental pathogen associated with clinical mastitis | 2017 6 10 405-409 International Journal of Current Microbiology and Applied Sciences ISSN 2319-7706 Volume 6 Number 10 2017 pp. 405-409 Journal homepage http Original Research Article https Prevalence of Clinical Mastitis due to E. coli in Bovines R. Navaneethan S. Saravanan P. Suresh . Ponnuswamy and . Palanivel Department of Veterinary Preventive Medicine Veterinary College and Research Institute Namakkal-2 Tamil Nadu Veterinary and Animal Sciences University Tamil Nadu India Corresponding author ABSTRACT Mastitis an economically important disease causes heavy economic losses Keywords in dairy cattle associated with poor quality and quantity of milk milk Clinical mastitis E. discard after treatment and increased cost of veterinary services. coli prevalence Escherichia coli is reported to be the major environmental pathogen PCR. associated with clinical mastitis. Out of 104 milk samples collected from Article Info clinical mastitis cows brought to TVCC VCRI Namakkal the prevalence Accepted mastitis due to E. coli was found to be for E. coli identified by 04 September 2017 isolation on selective media namely eosine methylene blue agar and Available Online 10 October 2017 MacConkey agar and confirmation by employing polymerase chain reaction PCR . Introduction Mastitis is one among those major reasons attributed to clinical mastitis could be causing substantial loss to the dairy farmers percent of the total losses Philpot and worldwide resulting in per cent less Nickerson 1991 and Philip et al. 1993 . productivity per quarter and 15 per cent Clinical mastitis can be peracute acute production per cow Radostits et al. 2000 subacute and chronic caused by coliforms and loss of milk yield is estimated to range like Escherichia coli Klebsiella pneumoniae from 100 to 500 kg cow per lactation. K. oxytoca Enterobacte raerogenes and Globally mastitis accounts for about
