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Abstract
In this study a total of 1240 apparently healthy dromedary camels including 480 imported camels and 760 local camels were serologically examined for brucellosis using different diagnostic methods including Tube agglutination test using phenol normal saline and phenol 5% sodium chloride solution, Buffered acidified plate antigen test, Rose bengal test and Rivanol test. The employed tests were carried out both before and after adsorption technique against Pasteurella multocida and Yersinia enterocolitica.
Using tube agglutination test out of 480 imported camels 61 (12.7%) were reactors using phenol saline solution and 64 (13.3%) were reactors using 5% sodium chloride solution. While among 760 local camels 26 (3.4%) were reactors using phenol saline solution and 28 (3.68%) using 5% sodium chloride solution.
The results also showed that brucellosis could not be detected in camels under two years of age while the highest prevalence was recorded in camels of 6-8 years old. In addition the prevalence was higher in females than in males.
The prevalence of brucellosis among camels was 7.9%, 7.09% and 6.8% using buffered acidified plate antigen test, Rose bengal test and Rivanol test.
Examination of camel’s sera after adsorption against Yersinia enterocolitica and Pasteurella multocida, the results showed that Tube agglutination test detected 80 (6.45%) and 82 (6.6%) camels using physiological saline and 5% sodium chloride solution respectively. Buffered acidified plate antigen test detected 86 (6.94%) camels, Rose bengal test 85 (6.85%) camels and Rivanol test 82 (6.6%) camels. The results showed a marked reduction in the number of reactors especially in Tube agglutination and buffered acidified plate antigen tests.
In this study Brucella organisms could be detected from two milk samples out of 30 imported camels and supramamary lymph nodes of one out 60 imported camels. Typing of these three isolates revealed Brucella melitensis biovar 3.
Sera of brucella infected camels showed a significant decrease in total serum proteins. The results also showed decrease in albumin concentration, an increase of -globulin and a significant increase of -globulins.
In this study a total of 1240 apparently healthy dromedary camels including 480 imported camels and 760 local camels were serologically examined for brucellosis using different diagnostic methods including Tube agglutination test using phenol normal saline and phenol 5% sodium chloride solution, Buffered acidified plate antigen test, Rose bengal test and Rivanol test. The employed tests were carried out both before and after adsorption technique against Pasteurella multocida and Yersinia enterocolitica.
Using tube agglutination test out of 480 imported camels 61 (12.7%) were reactors using phenol saline solution and 64 (13.3%) were reactors using 5% sodium chloride solution. While among 760 local camels 26 (3.4%) were reactors using phenol saline solution and 28 (3.68%) using 5% sodium chloride solution.
The results also showed that brucellosis could not be detected in camels under two years of age while the highest prevalence was recorded in camels of 6-8 years old. In addition the prevalence was higher in females than in males.
The prevalence of brucellosis among camels was 7.9%, 7.09% and 6.8% using buffered acidified plate antigen test, Rose bengal test and Rivanol test.
Examination of camel’s sera after adsorption against Yersinia enterocolitica and Pasteurella multocida, the results showed that Tube agglutination test detected 80 (6.45%) and 82 (6.6%) camels using physiological saline and 5% sodium chloride solution respectively. Buffered acidified plate antigen test detected 86 (6.94%) camels, Rose bengal test 85 (6.85%) camels and Rivanol test 82 (6.6%) camels. The results showed a marked reduction in the number of reactors especially in Tube agglutination and buffered acidified plate antigen tests.
In this study Brucella organisms could be detected from two milk samples out of 30 imported camels and supramamary lymph nodes of one out 60 imported camels. Typing of these three isolates revealed Brucella melitensis biovar 3.
Sera of brucella infected camels showed a significant decrease in total serum proteins. The results also showed decrease in albumin concentration, an increase of -globulin and a significant increase of -globulins.