Epizootic situation on goat arthritis-encephalitis (caev) in the central-eastern zone of the Novosibirsk region

Abstract

An assessment of the epizootic situation for goat arthritis-encephalitis in the Novosibirsk Region (NSO) was carried out, and the transmission of the virus from infected animals to healthy animals was studied. To conduct the study, 198 goat blood serum samples were taken from 20 personal subsidiary farms and 3 peasant farms located in the NSO. The study was conducted using a kit for the detection of antibodies against goat arthritis-encephalitis (AEC) MVV / CAEV in goat serum (IDScreen® MVV / CAEV Indirect Screeningtest) by indirect enzyme-linked immunosorbent assay. As a result of the studies, antibodies to the AEC virus were detected in 86 samples, which is 43.4% of the total number of samples studied. In 110 samples (55.6%), antibodies were not detected, doubtfully reacting - 2 samples (1%). Moreover, the highest incidence rate was recorded in the farms of the region adjacent to Novosibirsk - 66.7%, the smallest - in the area №1 (15%). When studying transmission methods, it was confirmed that the virus is mainly transmitted vertically - from the mother to newborn kids through blood and milk, and horizontal - through the contact of animals in close quarters. The introduction of the pathogen is carried out by introducing into the AEC safe herd of infected animals acquired in dysfunctional farms.