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International Journal of Dairy Science
  Year: 2009 | Volume: 4 | Issue: 2 | Page No.: 57-66
DOI: 10.3923/ijds.2009.57.66
Weather Effect on Bacterial Mastitis in Dairy Cows
M.S. Shathele

Abstract:
The study was carried out to determine the effect of seasons on bacterial mastitis in dairy cows. Three years health data from A and M Dairy Farm was analyzed to provide baseline information on the incidence and seasonal pattern of mastitis. Mean annual incidence of clinical mastitis at A and M dairy Farm was 16.5%. A clear pattern of higher incidence of mastitis was observed when the ambient temperature was less than 21°C in cold months during the whole study period (3 years) at A and M dairy Farm. In another study, milk samples of new case of mastitis from A and M dairy were examined for the presence of bacteria. The annual incidence of mastitis at the J. B. Dairy Farm was 14.4%. The annual pattern of incidence of mastitis in relation to ambient temperature was similar to that observed at A and M dairy Farm. Environmental and contagious mastitis pathogens were identified in 43.3% of the clinical mastitis cases and the coliform mastitis accounted for 21.1% of the clinical cases at J.B. Dairy Farm. However, out of 90 new cases of mastitis considered at the J.B. Dairy, 21.1% were infected with coliform bacteria, 12.2% with S. haemolyticus, 11.1% due to C. bovis, 10.0% with S. aqalactiae and 45.5% with other isolates. In conclusion, the coliform bacteria were the main cause of bacterial mastitis with higher incidence during the cold months.
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How to cite this article:

M.S. Shathele , 2009. Weather Effect on Bacterial Mastitis in Dairy Cows. International Journal of Dairy Science, 4: 57-66.

DOI: 10.3923/ijds.2009.57.66

URL: http://scialert.net/abstract/?doi=ijds.2009.57.66

 
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