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Effect of Calving Season on Growth Performance, Feed Intake and Disease Occurrence of Hanwoo Calves

한우 송아지의 분만계절이 성장, 사료섭취량 및 질병 발생에 미치는 영향

  • Kwon, E.G. (National Livestock Research Institute, RDA) ;
  • Cho, Y.M. (National Livestock Research Institute, RDA) ;
  • Park, B.K. (National Livestock Research Institute, RDA) ;
  • Choi, C.W. (National Livestock Research Institute, RDA) ;
  • Kim, Y.G. (National Livestock Research Institute, RDA) ;
  • Paek, B.H. (National Livestock Research Institute, RDA)
  • 권응기 (농촌진흥청 축산연구소) ;
  • 조영무 (농촌진흥청 축산연구소) ;
  • 박병기 (농촌진흥청 축산연구소) ;
  • 최창원 (농촌진흥청 축산연구소) ;
  • 김영근 (농촌진흥청 축산연구소) ;
  • 백봉현 (농촌진흥청 축산연구소)
  • Published : 2007.02.28

Abstract

Sixty-seven Hanwoo calves were allocated into two groups, 27 spring calves (SC) and 40 fall calves (FC) to investigate the effects of calving season on water and nutrient intakes, growth performance and disease occurrence for the nursing and the post-weaning period. Mean DMI of 3 to 4 mo old FC was lower than that of SC due to low temperature in winter for FC. Water intake was higher for FC (birth to 1 mo old) but lower for SC (2 to 4 mo old) than the others. Mean BW did not differ between SC and FC, but average daily gain for over 2 mo old SC were significantly higher than FC. Diarrhea was mainly observed when the calves were before 60 d old; in particular, it occurred more frequently for less than 30 d old FC compared with SC. The present results indicate that calving season may affect water intake, feed intake and growth performance of Hanwoo calves.

Keywords

Calving season;Hanwoo;Intake;Growth performance

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