Seroprevalence of contagious caprine pleuropneumonia in goat population of Odisha
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Date
2020
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Department of Veterinary Epidemiology and Preventive Medicine, OUAT, Bhubaneswar
Abstract
Contagious caprine pleuropneumonia (CCPP) caused by Mycoplasma capricolum
subsp. capripneumonie (Mccp). Mccp is a highly contagious disease of goats. We have
undertaken this study to determine the seroprevalence of CCPP in goat population of Odisha
byserum agglutination test (SAT) and competitive enzyme linked immunosorbent assay
(cELISA). A total of 333 samples were collected from 12 districts of Odisha viz., Puri (28),
Balasore (44), Balangir (30), Khurdha (25), Rayagada (10), Sambalpur (12), Angul (63),
Sundargarh (12), Cuttack (6), Kalahandi (34), Jagatsinghpur (36) and Keonjhar (33). Risk
factors were taken into consideration for occurrence of CCPP. Seroprevaence rate was
analyzed with respect to farm type (organized and unorganized), age (less than 6 month,
between 6-12 months and above 12 months), sex (male and female) and breed (Black Bengal,
Ganjam, Balangir and nondescript).
Overall seroprevalence of CCPP in Odisha was 5.80 % in SAT and 7.21% in cELISA
indicating better sensitivity of latter test. Prevalence of CCPP was highest (33.44%) in
Sambalpur. None of the samples collected from Rayagada and Cuttack were positive in
cELISA. Seroprevalence results obtained in SAT and cELISA were quite comparable in case
of three risk factors i.e., farm, sex and age. Prevalence was higher in organized farm as
compare to unorganized farms. Females were more affected than male population. Goats of
age above 12 months were more affected followed by age less than 6 month and least
prevalence was recorded in age group between 6-12 months. In cELISA, the breed wise
seroprevalence rates were 11.47%, 4.80%, 4.62%, 2.39% in Black bangle, nondescript,
Ganjam, and Balangir breeds of goats respectively. No significant variations were noticed
among the risk factors (p>0.05) when SAT results were analysed by Chi square test. Age and
Breed, these two factors in case of cELISA showed significant variation (p<0.05).