Maedi-visna control in sheep II. Half-yearly serological testing with culling of positive ewes and progeny.


In 1979 a field trial was started to study the feasibility of maedi-visna control in sheep by half-yearly serological testing (by ELISA) with culling of sero-positive ewes and their progeny. In 13 commercial flocks, with a mean initial incidence of serological reactors of 17%, the sero-positive ewes and all their progeny, those of preceding years included… (More)


Figures and Tables

Sorry, we couldn't extract any figures or tables for this paper.