Comparison of Reproductive Performance for European and American Boar with Imported Frozen Semen of Korean Native Cattle Embryos

도입된 동결정액을 이용한 유럽 및 미국계통 종목돈의 번식능력 비교

This study was carried out to compare farrowing rate and litter traits for European and American lines with boar sperm frozen in straws. Farrowing rate, litter size and mean pig weght at birth and 21 days were investigated. A total of 36 gilts Landrace, Large white and Duroc were investigated at the Chungnam Provincial Animal Breeding Station. We obtained higher farrowing rate and litter traits for European line boars compared to American line boars.