Comparative Analysis on Growth Performances, Behavioral Characteristics and Blood Parameters of the Sex in Different Group Sizes of Hanwoo calves

한우 육성우의 성별 군집두수에 따른 사양성적, 행동특성 및 혈액성상 비교분석

  • Ha, Jae Jung (Gyeongsangbuk-Do Livestock Research Institute) ;
  • Oh, Dong Yep (Gyeongsangbuk-Do Livestock Research Institute) ;
  • Lee, Jea Young (Department of Statistics, Yeungnam University) ;
  • Yang, Ka Young (College of Animal Life Science, Kangwon National University) ;
  • Kim, Jong Bok (College of Animal Life Science, Kangwon National University) ;
  • Ohh, Sang Jip (College of Animal Life Science, Kangwon National University) ;
  • Song, Young Han (College of Animal Life Science, Kangwon National University)
  • 하재정 (경상북도 축산기술연구소) ;
  • 오동엽 (경상북도 축산기술연구소) ;
  • 이제영 (영남대학교 통계학과) ;
  • 양가영 (강원대학교 동물생명과학대학) ;
  • 김종복 (강원대학교 동물생명과학대학) ;
  • 오상집 (강원대학교 동물생명과학대학) ;
  • 송영한 (강원대학교 동물생명과학대학)
  • Received : 2013.07.11
  • Accepted : 2013.10.15
  • Published : 2013.10.31


This study examined the effects of sex in different group sizes of Hanwoo calves. The growth performance including the mean daily gain, feed conversion rate, behavioral characteristics, and blood parameters in Hanwoo calves were investigated. A total of 54 heads of Hanwoo calves were housed separately at 4 heads per group, 3 heads per group, and 2 heads per group per pen. In the heifer calves, except for those 10 months of age, the growth performance was improved by increasing the group size, which was similar to steer calves (p<0.05). The heifer calves housed in 3 heads group spent more time lying down (p<0.05). The steer calves spent more time standing in the 3 heads group, lying down (2 heads group), and walking (4 heads group). The heifer calves housed in 2 heads group had a lower frequency of drinking, self-grooming, pairwise grooming, and fighting (p<0.05). On the other hand, the steer calves in the 4 heads group had a higher frequency of drinking, rubbing, and fighting (p<0.05). The white blood cell and cortisol were highest in the heifer calves in the 2 heads group (p<0.05).


Supported by : 강원도농업기술원


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