OBSERVATION ON AN OUTBREAK OF RESPIRATORY DISTRESS IN FEED LOT CALVES, EPIDEMIOLOGICAL CLINICAL AND MICROBILOGICAL FINDINGS
Selim, A., El-Shaheed, M., Zaki, M., Sel-Atrash, S., Abaza, F. (1998). OBSERVATION ON AN OUTBREAK OF RESPIRATORY DISTRESS IN FEED LOT CALVES, EPIDEMIOLOGICAL CLINICAL AND MICROBILOGICAL FINDINGS. EKB Journal Management System, 38.2(76), 98-110. doi: 10.21608/avmj.1998.183152
A.M. Selim; M. El-Shaheed; M. Zaki; S. Sel-Atrash; F. Abaza. "OBSERVATION ON AN OUTBREAK OF RESPIRATORY DISTRESS IN FEED LOT CALVES, EPIDEMIOLOGICAL CLINICAL AND MICROBILOGICAL FINDINGS". EKB Journal Management System, 38.2, 76, 1998, 98-110. doi: 10.21608/avmj.1998.183152
Selim, A., El-Shaheed, M., Zaki, M., Sel-Atrash, S., Abaza, F. (1998). 'OBSERVATION ON AN OUTBREAK OF RESPIRATORY DISTRESS IN FEED LOT CALVES, EPIDEMIOLOGICAL CLINICAL AND MICROBILOGICAL FINDINGS', EKB Journal Management System, 38.2(76), pp. 98-110. doi: 10.21608/avmj.1998.183152
Selim, A., El-Shaheed, M., Zaki, M., Sel-Atrash, S., Abaza, F. OBSERVATION ON AN OUTBREAK OF RESPIRATORY DISTRESS IN FEED LOT CALVES, EPIDEMIOLOGICAL CLINICAL AND MICROBILOGICAL FINDINGS. EKB Journal Management System, 1998; 38.2(76): 98-110. doi: 10.21608/avmj.1998.183152

OBSERVATION ON AN OUTBREAK OF RESPIRATORY DISTRESS IN FEED LOT CALVES, EPIDEMIOLOGICAL CLINICAL AND MICROBILOGICAL FINDINGS

Assiut Veterinary Medical Journal
Article 8, Volume 38.2, Issue 76, January 1998, Page 98-110  XML PDF (3.31 MB)
Document Type: Research article
DOI: 10.21608/avmj.1998.183152
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Authors
A.M. Selim1; M. El-Shaheed2; M. Zaki3; S. Sel-Atrash3; F. Abaza4
1Dept. of Animal Medicine, Zagazig Univ.
2Dept. of Microbiology, Suez Canal Univ.
3Manager of Military Services
4Head of Animal Production, Manager of the Farm
Abstract
An outbreak of respiratory disease with deaths was reported among feedlot calves at 6 October Military farm Nobaria, Egypt. The outbreaks involved 584 calves aged from 6 - 10 months. The diseased condition started during winter of 1996 till April 1997. The clinical signs consisted mainly of dullness, elevated rectal temperature associated with respiratory manifestations Morbidity rate was high (69.34%), but mortality rate was low (4.1%). Bacteriological examination revealed isolation of Pasteurella haemolytica, Pasteurella multocida, Haemophlus somnus, Corynbacterium pyogenes, Salmonellae species and E.coli. Antibiotic sensitivity test revealed that all gram positive isolates were sensitive to Penicillin, Enrofloxcin, Ampicillin, Flumequine, Trimethoprim-sulphamethoxazole. On the other hand Gram negative isolates were sensitive to Enrofloxcin, Chloramphenicol, Gentamycin, Oxytetracycline, Erythromycin, Cephalomycin and Trimethoprim- sulphamethoxazole. Stained blood smear examination from severely affected calves revealed bipolar organisms in some cases. Trials for isolation of virus, mycoplasma, fungus revealed negative results. Good clinical responses was a chieved with the use of Cidtryl (1 ml/ 40 kg B.W), antiinflamatory ,antihistaminic, bronchodilator and fluid therapy.
Keywords
Key words: Calves; Respiratory distress; Clinical findings
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