National Academy of Agricultural Sciences (NAAS)
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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcmas@gmail.com submit@ijcmas.com Editor-in-chief: Dr.M.Prakash Index Copernicus ICV 2018: 95.39 NAAS RATING 2020: 5.38 |
Abortions in small ruminants are an important cause of economic loss and public health concern due to zoonotic pathogens such as Brucella spp. A cross-sectional survey of 64 flocks comprising 11530 sheep and goats in Kadapa district of Andhra Pradesh state, India revealed 71.87% abortion prevalence at flock level, and animal level prevalence rates of 4.85 % in sheep and 3.07% in goats. Significant risk factors associated with abortions were large flock size (p<0.01), extensive rearing system (p<0.05), communal grazing practices (p < 0.01), improper disposal of aborted materials (p < 0.05), and the presence of reproductive disorders (p < 0.01). Abortions were predominantly recorded during winter and in late gestation among small ruminants. Serological analysis of 120 samples collected from recently aborted animals showed brucellosis seroprevalence of 36.6%, 40.83%, and 48.33% by RBPT, STAT, and i-ELISA, respectively, with higher seropositivity observed in sheep than in goats. Among the serological tests evaluated, Indirect ELISA detected a higher proportion of seropositive animals than RBPT and STAT indicating its greater utility for the detection of brucellosis in small ruminants. In conclusion, the high prevalence of brucellosis among aborted small ruminants highlights the importance of continuous serological surveillance, enhanced flock management, and strengthened biosecurity measures to mitigate reproductive losses, improve animal health, and reduce zoonotic transmission.
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