Typing of Haemolytic and Antibiotic Resistant Aeromonas hydrophila Isolated from Raw Milk of Coimbatore, South India


	International Journal of Dairy Science
	Year: 2006 \| Volume: 1 \| Issue: 1 \| Page No.: 70-83 DOI: 10.3923/ijds.2006.70.83

Typing of Haemolytic and Antibiotic Resistant Aeromonas hydrophila Isolated from Raw Milk of Coimbatore, South India

R. Subashkumar , Tha. Thayumanavan , C. Thilagavathy G. Vivekanandhan , K. Savithamani and P. Lakshmanaperumalsamy

Abstract: A total of 105 milk samples were analysed for Aeromonas hydrophila and 17.14% of the milk samples were found to be contaminated with A. hydrophila. Out of the milk samples, 30.5% were found to be of poor quality. The A. hydrophila strains were resistant to bacitracin, cefazolin and novobiocin and sensitive to gentamycin, kanamycin, neomycin and polymyxin-B. About 94.4% of strains were found to be haemolysin producers. Proteolytic activity was exhibited by all the isolates. The environmental factors such as NaCl and pH were influencing the growth of the A. hydrophila isolates. None of the RAPD and ERIC profiles were found identical. This clearly revealed the wide genetic heterogeneity among the strains tested.

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How to cite this article:

R. Subashkumar , Tha. Thayumanavan , C. Thilagavathy G. Vivekanandhan , K. Savithamani and P. Lakshmanaperumalsamy , 2006. Typing of Haemolytic and Antibiotic Resistant Aeromonas hydrophila Isolated from Raw Milk of Coimbatore, South India. International Journal of Dairy Science, 1: 70-83.

DOI: 10.3923/ijds.2006.70.83

URL: https://scialert.net/abstract/?doi=ijds.2006.70.83

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