Korean Journal of Poultry Science (한국가금학회지)

The Korean Society of Poultry Science (한국가금학회)
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Studies on the Carcass Characteristics of Broiler by Sex, Rearing Type, Season and Feed and Water Deprivation

육계의 성, 사육형태, 계절 및 절식시간에 따른 도체특성에 관한 조사연구

  • Hong, J. (College of Animal Husbandry, Kon-kuk University) ;
  • Lee, S.J. (Livestock Experiment Station, R. D. A.) ;
  • Kim, S.S. (Livestock Experiment Station, R. D. A.) ;
  • Chung, S.B. (Livestock Experiment Station, R. D. A.) ;
  • Lee, K.H (Alpine Experiment Station, R. D. A.) ;
  • Oh, S.J. (College of Animal Husbandry, Kon-kuk University)
  • Published : 1990.03.01
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Abstract

This studies were conducted to investigate the difference of carcass characteristics between chicken broiler and duck broiler and the carcass characteristics of chicken broiler by sex, rearing type, season and feed and water deprivation with 240 chicken broilers and 20 duck broilers. The results obtained are summerized as follows. 1. The carcass yields were 65.43% in chicken broiler and 66.78% in duck broiler. The abdominal fat pad of chicken broiler was higher than that of duck broiler. 2. There were differences in commercial cuts production percentages between chicken broiler and duck broiler, and the commercial cut of chicken broiler was produced from drumsticks and thighs, breast back, wings and neck in order. 3. Although there was little difference in carcass yields between male and female of broiler, the abdominal fat pad of male broiler was lower than that of female broiler. 4. The carcass yields in cage and floor type were not different, but the abdominal fat pad in cage was slightly higher than that in floor. 5. There was no difference in carcass yields among Spring, Summer, Autumn and Winter, but the abdominal fat pad was highest in Summer and lowest in Winter. 6. As feed and water deprivation time increased by one hour, live weight was decreased by 0.28365% , and the carcass yield was highest after 6 hours depribated feed and water.

본 연구는 육계와 육용오리의 도체특성을 비교하고 육계의 성, 사육형질, 계절 및 절식시간에 따른 도체율과 복강지방축적률을 조사하기 위하여 육계 240수와 육용오리 20수에 대한 도체조사기록을 이용하여 연구하였는바 그 결과를 요약하면 다음과 같다. 1. 육계와 육용오리의 도체률은 각각 65.43%와 66.79%였으며, 복강지방축적률은 육계가 육용오리가 비하여 현저하게 높았다. 2. 육계와 육용오리의 부분육 생산비율은 현저한 차이가 있었으며, 육계의 경우 부분육 생산비율은 다리, 가슴, 등, 날개 및 목의 순서로 높았다. 3. 육계의 도체율은 성별에 따라 차이가 없었으나 복강지방축적율은 암컷이 수컷에 비하여 현저하게 높았다. 4. 사육형태간에 도체율은 차이가 없었으나 복강지방축적율은 케이지가 평사에 비하여 다소 높은 경향이었다. 5. 사육계절간에도 도체율은 차이가 없었으나 복강지방축적률은 하계에 가장 높았고 동계에 가장 낮았다. 6. 절식ㆍ절수시간이 1시간 경과함에 따라 육계의 체중은 약0.28365%씩 감소하였으며, 도체율은 절식 6시간 후 가장 높았다.

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