PREVALENCE AND ZOONOTIC IMPORTANCE OF BRUCELLOSIS IN CATTLE IN AND AROUND BIDAR
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Date
2022
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KARNATAKA VETERINARY, ANIMAL AND FISHERIES SCIENCES UNIVERSITY, BIDAR-585226
Abstract
Brucellosis is one of the major notifiable contagious bacterial disease of zoonotic
importance in worldwide including India causing heavy economic loss. A limited work
carried out to determine the prevalence of brucellosis in cattle and human in the districts
of Bidar, Karnataka. So, the present study was undertaken to determine the seroprevalence
of brucellosis in cattle and animal handlers (human). A total of 100 serum and
100 milk samples were collected farm-wise and subjected to RBPT, MRT and I-ELISA
for confirmation of brucellosis in cattle. Animal handlers 25 sera were subjected to
RBPT, STAT, 2-MET and I-ELISA. The overall prevalence of brucellosis was found to
be 6 per cent, 5.00 per cent and 8 per cent by RBPT, MRT and I-ELISA respectively.
Higher prevalence of brucellosis was recorded by I-ELISA followed by RBPT and MRT.
I-ELISA revealed that prevalence of brucellosis was observed in humans 12 per cent and
in case of cattle 8 per cent. It was also observed that higher prevalence of brucellosis
found in cattle with the previous history of abortion (27.70%). On age-wise study, the
higher prevalence was noticed in the above > 6 years (9.30%) age groups followed by 2-4
years (8.57%) and least in 1-2 years age group (4.54%). Among the tests performed for
the diagnosis of brucellosis, sensitivity and specificity of RBPT was found to be high
when compared to MRT, taking I-ELISA as standard test. Thus, Rose bengal plate test is
a better screening test in detection of brucellosis in field level when compared to MRT.