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Sero-Epidemiological Investigation of Abortifacient Bacteria in Goats and Sheep in Three Districts of Sindh Province of Pakistan

Sero-Epidemiological Investigation of Abortifacient Bacteria in Goats and Sheep in Three Districts of Sindh Province of Pakistan

Asadullah Memon1, Asghar Ali Kamboh1*, Saeed Ahmed Soomro2, Muhammad Ammar Khan3, Akeel Ahmed Memon4 and Hubdar Ali Kolachi1

1Department of Veterinary Microbiology, Faculty of Animal Husbandry and Veterinary Sciences, Sindh Agriculture University, 70060 Tandojam, Pakistan
2Department of Physiology and Biochemistry, Faculty of Animal Husbandry and Veterinary Sciences, Sindh Agriculture University, 70060 Tandojam, Pakistan
3Department of Food Science and Technology, Faculty of Agriculture and Environment, The Islamia University of Bahawalpur, Bahawalpur 63100, Pakistan
4Department of Animal Reproduction, Faculty of Animal Husbandry and Veterinary Sciences, Sindh Agriculture University, 70060 Tandojam, Pakistan
 
* Corresponding author: drasgharkamboh@yahoo.com

ABSTRACT

Abortifacient bacteria incur high production and economic losses in small ruminants worldwide. The present study assessed the prevalence of Coxiella burnetii, Chlamydia abortus, and Brucella melitensis in 178 sheep and goat samples obtained from Hyderabad, Tando Allahyar, and Mirpurkhas districts of Sindh Province of Pakistan. The results revealed that the seroprevalence of Q fever was significantly (p<0.05) higher than chlamydiosis and brucellosis (43.82% vs. 37.7% and 17.98%). The districts-wise incidences of seroprevalence were also significant in this study, as C. burnetii antibodies were significantly (p<0.05) higher in Hyderabad than Tando Allahyar and Mirpurkhas (70.37% vs. 37.25% and 9.09%); C. abortus higher (p<0.05) in Mirpurkhas than Hyderabad and Tando Allahyar (100%, 40.74%, 21.56%, respectively); but B. melitensis higher (p>0.05) in Hyderabad than Tando Allahyar and Mirpurkhas (29.63%, 15.69%, 0%, respectively). The animal-wise seroprevalence results also exhibited significant differences (p<0.05), as the incidence of higher C. abortus antibodies (42.46% and 12.50%); but lower B. melitensis (10.95% and 50%) in goats than sheep sera, respectively. However, there was no clear relation between the breed of the ruminants and their seropositivity for C. burnetii, C. abortus, and B. melitensis. In addition, the seroprevalence of C. burnetii was higher (p<0.05) in nulliparous goats and sheep than multiparous and primiparous (37.50% and 50%, 35.89% and 40%, 30.76 and 25%, respectively). Moreover, C. abortus antibodies were higher (p<0.05) in multiparous goats and sheep than primiparous and nulliparous (48.71% and 20%, 38.46% and 0%, 25% and 0%, respectively). Furthermore, the incidence of B. melitensis antibodies was higher (p<0.05) in nulliparous than primiparous and multiparous goats (37.50%, 11.53%, and 5.12%, respectively), but higher (p<0.05) in primiparous than nulliparous and multiparous sheep (75%, 50%, 40%, respectively). Finally, the sera found positive on ELISA for C. abortus, C. burnetii, and B. melitensis antibodies. In conclusion, the widespread prevalence of the three abortifacient bacteria was responsible for the production and economic losses of goats and sheep in the three selected districts of Sindh Province of Pakistan.

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Pakistan Journal of Zoology

June

Pakistan J. Zool., Vol. 56, Iss. 3, pp. 1001-1500

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