Prevalence of antibodies to Neospora caninum in the serum of camels (Camelus dromedarius) from central Punjab, Pakistan
2017
Nazir, Muhammad Mudasser | Oneeb, Muhammad | Ayaz, Muhammad Mazhar | Bibi, Fehmeeda | Ahmad, Atif Nisar | Waheed, Abdul | Sajid, Muhammad Afzal | Sultan, Muhammad Tauseef | Yasin, Ghulam | Lindsay, David S.
Infection with the Apicomplexan parasite Neospora caninum occurs in domestic and wild animals worldwide. This parasite causes significant economic losses in the dairy industry worldwide. The current study was designed to assess the prevalence of N. caninum antibodies in the sera of camels (Camelus dromedarius) from Rakh Mahni, Bhakkar, Pakistan, to better understand the epidemiology of this important cause of bovine abortion in Pakistan. Eighty-one sera samples collected from apparently healthy camels (male = 19, female = 62) were tested for antibodies against N. caninum by using a commercially available competitive Enzyme Linked Immunosorbent assay diagnostic kit. Nine (11.1%) of 81 sera samples were found positive for antibodies to N. caninum. No significant (P > 0.05) difference in seroprevalence was observed between male and female camels or between different breeds. An increasing trend of seropositivity to N. caninum was seen with the age of animals indicating postnatal exposure to N. caninum infection. However, this increase in prevalence was not significant (P > 0.05). However, a significant (P < 0.05) difference in seroprevalence was noted among feeding style of animals, i.e., stall feeding, grazing, and mixed (grazing and stall feeding) feeding style. The prevalence was significantly (P < 0.05) higher in female animals 26.1% (6/23) with abortion history that of animals have had no such history 5.1% (2/39). Presence of antibodies to N. caninum in the sera of camels indicates that further studies are required to evaluate the importance of N. caninum as a cause of abortion or neonatal disease in these animals.
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