Bacteriological studies on calves affected with respiratory manifestations
F.R., E., A.H., A., H.M., H., A.M., N., E., K., S.E., S. (2019). Bacteriological studies on calves affected with respiratory manifestations. EKB Journal Management System, 26(1), 85-90. doi: 10.21608/jvmr.2019.43339
El-Seedy F.R.; Abed A.H.; Hassan H.M.; Nabih A.M.; Khalifa E.; Salem S.E.. "Bacteriological studies on calves affected with respiratory manifestations". EKB Journal Management System, 26, 1, 2019, 85-90. doi: 10.21608/jvmr.2019.43339
F.R., E., A.H., A., H.M., H., A.M., N., E., K., S.E., S. (2019). 'Bacteriological studies on calves affected with respiratory manifestations', EKB Journal Management System, 26(1), pp. 85-90. doi: 10.21608/jvmr.2019.43339
F.R., E., A.H., A., H.M., H., A.M., N., E., K., S.E., S. Bacteriological studies on calves affected with respiratory manifestations. EKB Journal Management System, 2019; 26(1): 85-90. doi: 10.21608/jvmr.2019.43339

Bacteriological studies on calves affected with respiratory manifestations

Journal of Veterinary Medical Research
Article 10, Volume 26, Issue 1, June 2019, Page 85-90  XML PDF (597.02 K)
Document Type: Original Article
DOI: 10.21608/jvmr.2019.43339
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Authors
El-Seedy F.R.1; Abed A.H.1; Hassan H.M.2; Nabih A.M.2; Khalifa E.3; Salem S.E.2
1Bacteriology, Mycology and Immunology Department, Faculty of Veterinary Medicine, Beni-Suef University, Egypt.
2Animal Reproduction Research Institute, Giza, Egypt.
3Microbiology Department, Faculty of Veterinary Medicine, Matrouh University, Egypt
Abstract
Bovine respiratory disease (BRD) is the most common and costly disease
affecting beef cattle calves in the world. The objectives of this study were to put a
high light on epidemiology of P. multocida and M. haemolytica as important causes
of bovine respiratory disease (BRD) in Egypt Governorates; Giza,El-Fayoum,BeniSuef, Assiut and Sohag. A total number of 406 deep nasal swabs and blood samples
were collected from 406 bovine calves suffered from respiratory manifestations
reared in different Governorates in Egypt. Bacteriological examination was
achieved and isolation of P. multocida and M. haemolytica were attained. The
overall prevalence of bothP. multocida and M. haemolytica was of 26.6%; 18.2%
for P. multocida and 8.4%for M. haemolytica. EL-Fayoum Governorate showed the
highest prevalences while Beni-Suef Governorate showed the lowest prevalences.
P. multocida was singly isolated from 4.9% of cases. While it was mixed with S.
aureus, E. coli, Streptococcus spp., both S. aureus and E. coli, both S. aureus and
Streptococcus spp. and both E. coli and Streptococcus spp. with percentages of
4%, 1.2%, 2.2%, 1.7%, 3.2% and 1.0%, respectively. Meanwhile, M. haemolytica
was isolated as a single isolate from 1.7% of cases while it was mixed with S.
aureus, Streptococcus spp., both S. aureus and Streptococcus spp. and both E. coli
and Streptococcus spp. with percentages of 2.7%, 1.2%, 2.5% and 0.2%,
respectively. In conclusion respiratory manifestations are very important disorders
in bovine calves. P. multocida and M.haemolytica are the most common bacteria
causing infection.
Keywords
P. multocida; M. haemolytica; Bovine respiratory disease; prevalence
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