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KAMEL, A., BASSIONY, M., FARAG, Y., FARID, A. (1996). SUBCLINICAL MASTITIS IN FAYOUM GOVERNORATE. Egyptian Journal of Agricultural Research, 74(3), 869-878. doi: 10.21608/ejar.1996.429114
AMANY M. R. KAMEL; MOHAMED M. BASSIONY; YAHYA A. FARAG; AHMED FARID. "SUBCLINICAL MASTITIS IN FAYOUM GOVERNORATE". Egyptian Journal of Agricultural Research, 74, 3, 1996, 869-878. doi: 10.21608/ejar.1996.429114
KAMEL, A., BASSIONY, M., FARAG, Y., FARID, A. (1996). 'SUBCLINICAL MASTITIS IN FAYOUM GOVERNORATE', Egyptian Journal of Agricultural Research, 74(3), pp. 869-878. doi: 10.21608/ejar.1996.429114
KAMEL, A., BASSIONY, M., FARAG, Y., FARID, A. SUBCLINICAL MASTITIS IN FAYOUM GOVERNORATE. Egyptian Journal of Agricultural Research, 1996; 74(3): 869-878. doi: 10.21608/ejar.1996.429114

SUBCLINICAL MASTITIS IN FAYOUM GOVERNORATE

Article 21, Volume 74, Issue 3, September 1996, Page 869-878  XML PDF (2.35 MB)
Document Type: Original Article
DOI: 10.21608/ejar.1996.429114
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Authors
AMANY M. R. KAMEL1; MOHAMED M. BASSIONY1; YAHYA A. FARAG1; AHMED FARID2
1Animal Reproduction Research Institute, Agricultural Research Centre, Giza, Egypt
2Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
Abstract
Subclinical mastitis is a serious form of mastitis which affects the dairy herds, but without any clinical symptoms on the affected animal which usually appears healthy. In the present study, California mastitis test (CMT) proved to be an efficient rapid field test for detection of subclinical mastitis. When applied on 720 milk samples collected from 180 dairy cows, 320 (44.4%) were positive (++) to the test. The bacteriological examination of the 320 quarter milk samples revealed that staphylococci were the most predominant (62.8%), followed by streptococci, members of Gram-negative bacilli, corynebacteria and anthracoiries in an incidence of (40.9%), (40.6%), (5.9%) and (1.7%), respectively. However, the season and age of the animals seem to influence the incidence of different secured microorganisms. The antibiogram of the isolated bacteria revealed that gentamycin followed by chloramphenicol and / or oxytetracycline were the most effective antibiotics.
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