LISTERIA MONOCYTOGENS ISOLATED FROM FROZEN BULL SEMEN.
EL-AYOUBY, S., SHALABY, M., KOTB, M. (1992). LISTERIA MONOCYTOGENS ISOLATED FROM FROZEN BULL SEMEN.. EKB Journal Management System, 40(1), 1-9. doi: 10.21608/vmjg.1992.371586
S EL-AYOUBY; M SHALABY; M KOTB. "LISTERIA MONOCYTOGENS ISOLATED FROM FROZEN BULL SEMEN.". EKB Journal Management System, 40, 1, 1992, 1-9. doi: 10.21608/vmjg.1992.371586
EL-AYOUBY, S., SHALABY, M., KOTB, M. (1992). 'LISTERIA MONOCYTOGENS ISOLATED FROM FROZEN BULL SEMEN.', EKB Journal Management System, 40(1), pp. 1-9. doi: 10.21608/vmjg.1992.371586
EL-AYOUBY, S., SHALABY, M., KOTB, M. LISTERIA MONOCYTOGENS ISOLATED FROM FROZEN BULL SEMEN.. EKB Journal Management System, 1992; 40(1): 1-9. doi: 10.21608/vmjg.1992.371586

LISTERIA MONOCYTOGENS ISOLATED FROM FROZEN BULL SEMEN.

Veterinary Medical Journal (Giza)
Volume 40, Issue 1, January 1992, Page 1-9  XML PDF (2.08 MB)
Document Type: Original Article
DOI: 10.21608/vmjg.1992.371586
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Authors
S EL-AYOUBY* ; M SHALABY; M KOTB
Animal Reproduction Research Institute, Pyramid Giza.
Abstract
A total of 96 imported frozen semen straws represent 11 lots (groups) from different localities at different times during the last four years, revealed the isolation of Listeria monocytogenes from 14 samples by direct and cold enrichment procedures. Eleven isolates which were CAMP positive proved to be pathogenic to mice. Nine isoaltes could be identified biochemically and serologically where 5 isolates were identified only biochemically. The bacteriological count ranged from 4500-9500 cells/straw and the highest count was in group 4.
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