Article
Genetic variation and heritability of the antibody response to Mycobacterium avium subspecies paratuberculosis in Danish Holstein cows.
Journal of dairy science - 1 Jul 2004
Mortensen H, Nielsen S S, Berg P
Abstract excerpt
The purpose of this study was to estimate the genetic variation and the heritability of the ability to establish an immune response by producing antibodies to Mycobacterium avium subsp. paratuberculosis. Antibody levels were determined using an ELISA and measuring optical density (OD) values from milk samples of 11,535 cows from 99 herds. The pedigree of the 11,535 cows and information about days in milk, parity,...
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