Seroprevalence of camel brucellosis (Camelus dromedarius) in Somaliland |
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| Authors: | Ghanem Yasser M El-Khodery Sabry A Saad Ashraf A Abdelkader Ahemd H Heybe Ahemd Musse Yasin A |
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| Institution: | (1) Department of Animal Medicine, Faculty of Veterinary Medicine, Kafr El-Sheikh University, Kafr El-Sheikh, 33516, Egypt;(2) Department of Internal Medicine and Infectious Diseases, Faculty of Veterinary Medicine, Mansoura University, Mansoura, 35516, Egypt;(3) Laboratory of the Gulf Veterinary International Quarantine Management Company, Buroa Elsheikh Area, Berbera, Somaliland, Somalia;(4) Ministry of Livestock and Animal Health, Somaliland, Somalia;(5) Department of Infection Biology and Food Safety, Norwegian School of Veterinary Science, Oslo, Norway |
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| Abstract: | The present study was delineated to investigate the prevalence and risk factors of camel brucellosis in Northern Somalia (Somaliland).
The study was carried out at three main districts of camel-rearing regions of Somaliland (Awdal, Waqoyi Galbed and Togdheer)
in the period from July to November, 2008. A total of 1246 camel blood sera were randomly collected from 42 sporadic small
scale camel herds. Two serological tests were used to screen all serum samples, Rose Bengal Plate Test (RBPT) and indirect
ELISA (I-ELISA). Multivariate logistic regression was constructed to study the risk factors associated with Brucella seropositive cases. The overall prevalence of camel brucellosis in districts under investigation was 3.9% by RBPT and 3.1%
by (I-ELISA). Multivariate logistic regression on animal level showed that locality (P < 0.05; OR: 6.254; CI, 1.186–32.976),
herd size (P < 0.001; OR: 5.493; CI, 2.956-10–207), rearing with other ruminants (P < 0.001; OR: 12.433; CI, 3.957–39.060),
and contact with other camels (P < 0.05; OR: 5.311; CI, 1.093–25.800) were the potential risk factors. However, herd size
(P < 0.05; OR: 5.425; CI, 1.181–24.932), and rearing with other ruminants (P < 0.05; OR: 20.466; CI, 1.456–28.638) were recorded
as risk factors on the herd level. The results of the present investigation indicate that the Brucella spp. exists within the camel herds in Somaliland. Further studies need to be done on Brucella infection in the other ruminants to determine which measure should be followed for control of brucellosis. |
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