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아스타잔틴 생성 균주(Xanthophyllomyces dendrohous)의 급여가 오리의 성장과 육질에 미치는 영향

Effect of Dietary Astaxanthin Producing Bacteria (Xanthophyllomyces dendrohous) on the Growth Performance and the Meat Quality of Ducks

  • 김경수 ((주)Organic Bio Tech 한국생명과학연구소) ;
  • 이민경 ((주)Organic Bio Tech 한국생명과학연구소) ;
  • 이우진 ((주)주원산오리) ;
  • 최양일 (충북대학교 농업생명환경대학) ;
  • 조성구 (충북대학교 농업생명환경대학)
  • Kim, Kyeong-Su (Korea Bio Science Research Institute, Organic Bio Tech Co., Ltd.) ;
  • Lee, Min-Kyoung (Korea Bio Science Research Institute, Organic Bio Tech Co., Ltd.) ;
  • Lee, Woo-Jin (Joowon Asta Ducks Co., Ltd.) ;
  • Choi, Yang-Il (College of Agriculture, Life & Environment Sciences, Chungbuk National University) ;
  • Cho, Seong-Ku (College of Agriculture, Life & Environment Sciences, Chungbuk National University)
  • 투고 : 2010.11.18
  • 심사 : 2011.03.15
  • 발행 : 2011.04.30

초록

항산화물질인 astaxanthin을 함유한 균주 Xanthophyllomyces dendrohous를 급여하여 오리의 성장 및 육질에 미치는 영향을 확인하였다. 1일령 오리 450수를 공시하여 배합사료만을 급여한 대조구와 Xanthophyllomyces dendrohous가 함유된 사료첨가제를 사료의 0.1%, 0.2%씩 첨가한 처리구를 두었다. 오리의 성장과 육질을 분석한 결과, 평균증체량은 대조구에 비해 0.2% 처리구에서 유의적으로 높았고 사료요구율은 처리구가 유의적으로 높은 결과를 보였다. 일반성분검사 결과에서는 처리구의 오리고기 지방함량이 유의성 있게 낮았으며, 콜레스테롤 함량 역시 낮게 나타났다. 육질검사 결과 보수력, 육즙손실 및 전단력에 있어서도 처리구가 유의적으로 우수한 결과를 나타냈다. 지방산 함량분석 결과는 포화지방산인 palmitic acid과 stearic acid이 대조구에 비해 유의적으로 낮았으며 불포화지방산인 oleic acid과 linoleic acid는 대조구에 비해 유의적으로 높은 수준을 보였다. 본 연구결과 Xanthophyllomyces dendrohous가 함유된 사료첨가제의 처리는 오리의 성장 및 육질개선과 지방산 조성 등에 있어 효과가 인정되어 고품질의 오리육 생산에 기여할 것으로 생각된다.

This study was carried out to investigated astaxanthin producing "Xanthophyllomyces dendrohous" on growth performances and meat quality in ducks. A total of 450 ducks (cheribery) were allotted into 3 groups. The three groups were control (commercial feed), treatment 1 (0.1% feed additives), and treatment 2 (0.2% feed additives). Each group had 3 replicates. Viable cell number of "Xanthophyllomyces dendrohous" is $1.0{\times}10^8$ cfu/g. Growth performance carried out during 39 days. Average weight gain was significantly higher (p<0.05) in treatment 2 than that of control. Feed conversion was significantly lower (p<0.05) in treatment 1 and 2 than that of control. The results of nutrients composition analysis of duck meat showed that treatment 1 and 2 had significantly lower (p<0.05) fat and cholesterol levels. Water holding capacity showed significantly higher (p<0.05) value than that of control. Both treatment groups showed lower (p<0.05) value than control in drip loss and shear force. Control showed higher unsaturated fatty acids(palmitic acid, stearic acid) content than treatment 1 and 2. Treatment 1 and 2 showed significantly lower (p<0.05) saturated fatty acids (oleic acid, linoleic acid) levels than control. These results suggested that the supplementation of feed additives containing "Xanthophyllomyces dendrohous" might be used effectively for inproving productivity and meat quality of ducks.

키워드

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