PRELIMINARY STUDIES ON BACTERIA RECOVERED FROM MILK OF APPARENTLY HEALTHY UDDERS IN DAIRY CATTLE AT EL HARAM AREA WITH SPECIAL REFERENCE TO ANTIBIOTIC SENSITIVITY | ||||
Assiut Veterinary Medical Journal | ||||
Article 12, Volume 12.1, Issue 23, May 1984, Page 90-96 PDF (1.71 MB) | ||||
Document Type: Research article | ||||
DOI: 10.21608/avmj.1984.190896 | ||||
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Authors | ||||
M.S. TAWFIK; S.M. NASHED; F.F.M. GODA; SAMIRA EL-GIBALY; A.F. FARID; S. NADA | ||||
Abstract | ||||
Milk samples were randomly collected from apparently healthy udders of 1034 milking Friesian cattle for bacteriological examination. 122 atrains were isolated with a recovery rate of 11.8% of the samples. Microorganisms secured were coagulae-positive Staphylococci (60.66%), Streptococci (31.14%) including Str. agalactiae (16.3%), Str. dysgalactiae (11.4%) and Str. uberis (3.2%). In addition, E. coli and C. pyogenes were recovered with an incidence of 4.9% and 3.2% respectively while the recovery rate of double infection was 51.2%. The secured organisms were sensitive to the following sntibiotics in a descending order: Kanamycin, Erythromycin, Polymyxin, Strepto mycin and Penicillin. | ||||
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