Article
Population parameter estimates for performance and reproductive traits in Polish Large White nucleus herds.
Journal of animal science - 1 Jan 1991
Kaplon M J, Rothschild M F, Berger P J, Healey M
Abstract excerpt
Performance test records from on-farm tests of young Polish Large White boars and reproductive records of Polish Large White sows from 94 nucleus farms during 1978 to 1987 were used to estimate population parameters for the measured traits. The number of boar performance records after editing was 114,347 from 3,932 sires, 21,543 dams, 44,493 litters and 1,075 herd-year-seasons. Reproductive performance records of...
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