Performance Comparison of Local and Imported Dairy Semen Used in Rep. of Korea

젖소의 주요경제형질에 대한 국내생산 및 수입 정액의 능력비교

  • Park, Byeong-Ho (National Livestock Research Institute, R.D.A.) ;
  • ;
  • Jo, Gwang-Hyeon (National Livestock Research Institute, R.D.A.) ;
  • Choe, Jae-Gwan (National Livestock Research Institute, R.D.A.) ;
  • Lee, Yeong-Chang (National Livestock Research Institute, R.D.A.) ;
  • Seo, Gang-Seok (National Livestock Research Institute, R.D.A.) ;
  • Salces, A. (National Livestock Research Institute, R.D.A.)
  • 박병호 (농촌진흥청 축산연구소) ;
  • 김시동 (농촌진흥청 축산연구소) ;
  • 조광현 (농촌진흥청 축산연구소) ;
  • 최재관 (농촌진흥청 축산연구소) ;
  • 이영창 (농촌진흥청 축산연구소) ;
  • 서강석 (농촌진흥청 축산연구소) ;
  • Published : 2006.02.28


The data used in the study were taken from the national dairy genetic evaluation of bulls from 1986 up to 2001. It was conducted to compare the phenotypic performance and genetic merits in terms of production traits, linear traits and selection indexes of four types of dairy semen (TypeⅠ:semen from Korean proven bull, Type Ⅱ:semen from proven bull imported by National Agricultural Cooperative Federation(NACF), Type Ⅲ:semen imported from USA, Type Ⅳ:semen imported from Canada) used in Korea. The result of national dairy genetic evaluation was used to compare genetic merits. Type Ⅲ was superior in the phenotypic performance of milk yield, milk fat and milk protein and was significantly different from Type Ⅰ. Types of semen were not significantly different in fat when semen from bull born after 1991 were compared. Likewise, types of semen were not significantly different in the genetic merit for milk yield, milk fat, milk protein and milk protein %. Moreso, for profit index (MFP) and Korean type production index (KTPI) it was not statistically different. However type Ⅰ was superior in milk fat % and was significantly different from other types. Type Ⅳ was superior in Final Score of conformation test (FS) and Udder Composite Index (UDC) and significantly different from Type Ⅰ. When semen from bull born after 1991 were compared, types of semen were not significantly different in milk yield and milk protein, although type I was superior in milk fat, milk fat %, milk protein % and MFP and was significantly different from others. Moreover type Ⅲ and type Ⅳ was superior in UDC and were significantly different from others.


Genetic merit;Dairy semen


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