Korean Journal of Animal Reproduction (한국가축번식학회지)

The Korean Society of Animal Reproduction (한국동물번식학회)
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Effects of Breed, Insemination Time, Sperm Concentration, Farm and Year on Reproductive Performance of Sows Inseminated by Frozen Boar Semen

돼지에서 동결정액을 이용한 인공수정시 종모돈의 품종, 인공수정 횟수, 정자농도, 농장 및 연도가 번식성적에 미치는 영향

  • Published : 2002.06.01
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Abstract

This study was carried out to investigate the effects of frozen boar semen on reproductive performance in swine artificial insemination (AI). Many factors, which were breeds, time of insemination, sperm concentration per dose, farm and year were investigated to improve reproductive performance efficiency. Boars were raised at Swine Artificial Insemination Center in National Livestock Research Institute, Sunghwan, Chungnam, Korea. This experiment was carried out from 1995 to 2000. There were no differences in swine AI with frozen boar semen using 5$m\ell$ maxi-straw among 3 breeds (Landrace, Yorkshire, Duroc), 2 or 3 times insemination per estrus, and 3 different sperm numbers of 3.0, 4.0, and 5.0$\times$10$^{9}$ per dose of insemination. However, non-return rate and litter size of sows inseminated with frozen boar semen of commercial farms were different according to farm management system and inseminator's skill. Conception rate, farrowing rate and number of pigs born alive per litter by artificial insemination with frozen boar semen (5$m\ell$ maxi-straw) from 1995 to 1999 was 68.3~74.6%, 61.7~67.6% and 8.1~8.7 heads.

돼지에서 동결정액을 이용한 인공수정이 번식 성적에 미치는 영향을 구명하고자 축산기술연구소 종축개량부 (충남, 성환)의 돼지 인공수정센터에서 사육중인 종모돈을 이용하여 1995년부터 2000년까지 인공수정을 실시하였다. 동결정액을 이용한 인공수정시 종모돈의 품종, 인공수정 횟수, 정자농도, 농장 및 연도가 번식성적에 미치는 영향을 조사하였다. 동결정액이 인공수정에 영향을 미치는 요인을 알아보기 위하여 5$m\ell$ maxi-straw에 포장된 동결정액을 이용한 인공수정시 번식성적을 조사한 결과 종모돈의 품종 (Landrace, Yorkshire, Duroc)간 차이가 없었다. 1회 발정당 수정횟수는 2회 수정과 3회 수정시 차이가 없었으며, 1회 주입정자 농도도 5.0, 4.0 및 3.0$\times$$10^{9}$ /dose 처리간에 차이가 없었다. 그러나 양돈장의 관리방법과 인공수정사의 기술은 수태율과 산자수에 영향을 주었다. 1995년부터 1999년까지 5년간 농장에서 매년 인공수정한 결과수태율은 68.3~74.6%, 분만율은 61.7~67.6%, 총산자수는 8.7~9.6두 그리고 생존산자수는 8.1~8.7두로 각각 나타났다.

Keywords

References

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