Abstract
The present study was design to determine the seroprevalence of zoonotic brucellosis and different serological tests comparison in ovine and caprine population in district Quetta, Balochistan. A total of 500 blood samples, comprising of 250 each from sheep and goat were randomly collected from out skirts of District Quetta, Balochistan. Out of the 250 blood samples 125 were collected from each males and females. The serum samples were tested for the presence of anti-Brucella antibodies by Rose Bengal Plate Test (RBPT), Serum Plate Agglutination Test (SPAT) and Serum Tube Agglutination Test (STAT). The overall prevalence of brucellosis in sheep was recorded as 16.4%, 13.2% and 10.8% by RBPT, SPAT and STAT, respectively and in goat was found to be 11.6%, 8.8% and 6.8% by RBPT, SPAT and STAT, respectively. The sex-wise prevalence of brucellosis in Ram (male sheep) was recorded as 12.8%, 8.8% and 7.2% by RBPT, SPAT and STAT, respectively; while in Ewe (female sheep) it was 20.0%, 17.6% and 14.4% by RBPT, SPAT and STAT respectively. In Buck (male goat), the seroprevalence of brucellosis was recorded 8.0%, 5.6% and 3.2%, whereas in Dew (female goat) it was 15.2%, 12.0% and 10.4% by RBPT, SPAT and STAT, respectively. The prevalence of brucellosis was relatively higher in ovine (sheep) as compared to caprine (goat), irrespective of techniques used. It was also concluded that brucellosis was higher in females than in males in both sheep and goat. Among all the serological tests applied in the present study, RBPT was found to be more sensitive and showed higher prevalence of brucellosis in sheep as well as in goat population.
Highlights
Brucellosis is an important world’s major zoonotic bacterial disease of wild and domestic animals and humans caused by Brucella abortus, categorized as re-emerging infectious agent associated with significant morbidity that can lead to increased rates of spontaneous abortions in livestock and in humans (Cutler et al, 2005: Coelho et al, 2007)
Seroprevalence of brucellosis in sheep was recorded as 16.4%, 13.2% and 10.8%, while in goats was founded to 11.6%, 8.8% and 6.8% by Rose Bengal Plate Test (RBPT), Serum Plate Agglutination Test (SPAT) and Serum Tube Agglutination Test (STAT) respectively
Out of 250 sheep the seroprevalence of brucellosis in male sheep was recorded as 12.8%, 8.8% and 7.2% by RBPT, SPAT and STAT respectively, while in female sheep it was 20.0%, 17.6% and 14.4% by RBPT, SPAT and STAT respectively
Summary
Brucellosis is an important world’s major zoonotic bacterial disease of wild and domestic animals (cattle buffalo sheep and Goat) and humans caused by Brucella abortus, categorized as re-emerging infectious agent associated with significant morbidity that can lead to increased rates of spontaneous abortions in livestock and in humans (Cutler et al, 2005: Coelho et al, 2007). Brucellosis is known as Bang’s disease, contagious abortion, infectious abortion, undulant fever, Malta fever and Mediterranean fever. The organisms become localized in the reticulo- endothelial tissues, namely, the lymph nodes, liver, spleen, kidneys and bone marrow. Within these tissues, the organisms multiply within the macrophages. Whereas in the female the organism localizes in the udder, Corresponding author: Habib-Ur-Rehman
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