Korean Journal of Poultry Science (한국가금학회지)

The Korean Society of Poultry Science (한국가금학회)
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Effect of Reproductive Ability on Weeks and Body Weights of Male Broiler Breders

육계 수탉의 주령 및 체중이 번식능력에 미치는 영향

  • 김학규 (축산기술연구소 대전지소) ;
  • 나재천 (축산기술연구소 대전지소) ;
  • 최철환 (축산기술연구소 대전지소) ;
  • 장병귀 (축산기술연구소 대전지소) ;
  • 상병돈 (축산기술연구소 대전지소) ;
  • 이상진 (축산기술연구소 대전지소)
  • Published : 2000.12.01
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Abstract

This experiment was carried out to investigate the effect of reproductive ability on weeks and body weights of broiler breeder males. From 26 to 36 week, volume of semen and body weight were increased. Total concentration was highest at 36 week(P〈0.05), being 21.14$\times$10(sup)8 cells. Mean of total concentration was 14.66$\times$10(sup)8 cells and 11.59$\times$10(sup)8 cells in young(26∼55 weeks) and old(60∼89 weeks) broiler breeder males, respectively. Percentage of fertile eggs, viability and hatchability on weeks were 96.33, 89.55, 86.25% in the young broiler breeder males, 94.84, 91.73 and 86.97% the old broiler breeder males, respectively. The values were not significantly different between the young and old broiler breeder males. While the body weight of cocks was less than 3.5kg, it was not possible to collect semen. Semen collection rate was the best in 4.5∼5.0kg of males, total concentration was highest in 5.0∼5.5kg, volume of semen was highest in 5.5∼6.0kg body weight. More than 80% of the males were in the range of 4∼6kg body weight. Sperm motility was acceptable for breeding.

Keywords

References

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