Korean Journal of Poultry Science (한국가금학회지)

The Korean Society of Poultry Science (한국가금학회)
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Effects of Supplemental Alkali Feldspar-Ilite on Growth Performance and Meat Quality in Broiler Ducks

알칼리장석-일라이트가 육용오리의 생산성 및 육질에 미치는 영향

  • Kook K. (Division of Animal Science, Institute of Agricultural Science and Technology, Chonnam National University) ;
  • Kim J. E. (Division of Animal Science, Institute of Agricultural Science and Technology, Chonnam National University) ;
  • Jeong J. H. (Division of Animal Science, Institute of Agricultural Science and Technology, Chonnam National University) ;
  • Kim J. P. (Division of Animal Science, Institute of Agricultural Science and Technology, Chonnam National University) ;
  • Sun S. S. (Division of Animal Science, Institute of Agricultural Science and Technology, Chonnam National University) ;
  • Kim K. H. (Division of Animal Science, Institute of Agricultural Science and Technology, Chonnam National University) ;
  • Jeong Y. T. (National Livestock Research Institute, RDA) ;
  • Jeong K. H. (National Livestock Research Institute, RDA) ;
  • Ahn J. N. (National Livestock Research Institute, RDA) ;
  • Lee B. S. (National Livestock Research Institute, RDA) ;
  • Jeong I. B. (National Livestock Research Institute, RDA) ;
  • Yang C. J. (Department of Animal Science, Sunchun National University) ;
  • Yang J. E. (Singi Bio)
  • 국길 (전남대학교 농업과학기술연구소 동물자원학부) ;
  • 김정은 (전남대학교 농업과학기술연구소 동물자원학부) ;
  • 정진형 (전남대학교 농업과학기술연구소 동물자원학부) ;
  • 김재필 (전남대학교 농업과학기술연구소 동물자원학부) ;
  • 선상수 (전남대학교 농업과학기술연구소 동물자원학부) ;
  • 김광현 (전남대학교 농업과학기술연구소 동물자원학부) ;
  • 정완태 (농촌진흥청 축산기술연구소) ;
  • 정광화 (농촌진흥청 축산기술연구소) ;
  • 안종남 (농촌진흥청 축산기술연구소) ;
  • 이병석 (농촌진흥청 축산기술연구소) ;
  • 정일병 (농촌진흥청 축산기술연구소) ;
  • 양철주 (순천대학교 동물자원과학과) ;
  • 양재은 (신기바이오)
  • Published : 2005.12.01
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Abstract

This experiment was conducted to investigate the effect of the supplemental alkali feldspar-ilite(feldspar) on growth performance and meat quality in broiler ducks for 43 days. One hundred eighty broiler ducks were divided into 5 groups of 12ducks. Dietary levels of feldspar 0, 0+antibiotics, 0.5, 1.0 and $1.5\%$ were added to experimental diets of each of the groups. Daily weight gain was slightly increased in 1.0 and $1.5\%$ feldspar treatments. Feed intake was slightly increased at all feldspar treatments. Glucose concentration of serum profile was decreased whereas BUN concentration was significantly increased (p<0.05) at $0.5\%$ feldspar. Cholesterol concentration was decreased at all feldspar treatments, this difference was especially observed in supplemental levels of $0.5\%$ feldspar(p<0.05). Carcass weight was increased at all feldspar treatments. Moisture and crude fat contents of proximate chemical composition in duck meat were decreased at all feldspar treatment, this difference especially was observed in supplemental levels of $1.5\%$ feldspar(p<0.05) on crude fat content. Lightness and yellowness was increased at all feldspar treatment. Cholesterol contents and TBA in meat were decreased, but this parameters were not difference by feldspar treatment. The composition of saturated fatty acids(SFA) was decreased, whereas unsaturated fatty acids(USFA) was slightly increased by feldspar treatment. The Pb content of heavy metal concentrations was increased with compared control, but not difference. The appearance of sensory evaluation was improved by supplemental feldspar, especially in supplemental feldspar, 1.0 and $1.5\%$(p<0.05). The results of this study indicate that the supplemental alkali feldspar may improve the production and meat quality of broiler ducks.

본 연구는 3주령의 육용오린 사료에 알칼리장석-일라이트를 0, 0+ 항생제, 0.5, 1.0 및 $1.5\%$ 첨가한 5처리구에 3반복으로 각각 12수씩 배치하여 43일간 급여하여 생산성 및 육질에 미치는 영향을 알아보고자 실행하였다. 육성오리의 일당 증체량은 알칼리장석-일라이트 1.0와 $1.5\%$ 첨가구에서 약간 증가하였다(p>0.05). 사료섭취 량은 알칼리장석-일라이트 첨가구에서 증가하는 경향이었다(p>0.05). 혈중 글루코스 농도는 알칼리장석-일라이트 $0.5\%$ 처리구에서 약간 감소한 반면에(p>0.05) 혈중 요소태 질소 함량은 알칼리장석-일라이트 $0.5\%$ 첨가구에서 유의적으로 증가하였다(p<0.05). 콜레스테롤 함량은 알칼리장석-일라이트 $0.5\%$ 첨가구에서 유의적으로 감소하였다(p<0.05). 도체중과 도체율은 알칼리장석-일라이트 첨가수준에 따라 증가하는 경향이었다(p>0.05). 알칼리 장석-일라이트 급여에 의한 육용오리 가슴육의 조지방 함량은 알칼리장석-일라이트 $1.5\%$ 첨가구에서는 유의적으로 감소하였다(p<0.05). 육색의 명도와 황색도는 알칼리장석-일라이트에서 높게 나타났으며(p>0.05), 콜레스테롤 함량은 알칼리장석-일라이트 첨가구에서 감소하였다(p>0.05). 지방산 패도는 알칼리장석-일라이트 첨가구에서 약간 감소하였다(p>0.05). 알칼리장석-일라이트 첨가에 의한 포화지방산 비율이 약간감소하는 경향인 반면에 불포화지방산 비율이 약간 증가하는 경향을 나타내었으나 유의적인 차이는 없었다(p>0.05). 알칼리장석-일라이트 첨가에 의한 육성오리 간의 중금속 함량은 납 축적량이 비교적 높게 나타났다(p>0.05). 관능 평가(appearance)에서 알칼리장석-일라이트 1.0와 $1.5\%$ 첨가구에서 외관의 유의적인 개선 효과를 나타내었다 (p<0.05). 이상의 결과를 종합해 볼 때 육성오리에 대한 알칼리장석-일라이트 급여는 증체량의 개선효과와 더불어 가슴육의 조지방 함량의 감소 그리고 관능평가에서 외관의 개선 효과가 있음을 알 수 있었다.

Keywords

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