Korean Journal of Poultry Science (한국가금학회지)

The Korean Society of Poultry Science (한국가금학회)
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Effect of Dietary Organic or Inorganic Minerals (Selenium and Copper) on Layer's Production and Their Transfer into the Egg

사료 내 유기태 및 무기태 미네랄(셀레늄, 구리)의 수준별 첨가가 산란계의 생산성과 계란 내 이행에 미치는 영향

  • Park, T.S. (Animal Resources Research Center, College of Animal Bioscience and Technology, Konkuk University) ;
  • Kim, J.Y. (Animal Resources Research Center, College of Animal Bioscience and Technology, Konkuk University) ;
  • You, S.J. (Animal Resources Research Center, College of Animal Bioscience and Technology, Konkuk University) ;
  • Lee, B.K. (Animal Resources Research Center, College of Animal Bioscience and Technology, Konkuk University) ;
  • Kim, J.M. (Animal Resources Research Center, College of Animal Bioscience and Technology, Konkuk University) ;
  • Kim, E.J. (Division of Animal Care, Cheonan Yonam College) ;
  • Ahn, B.K. (Animal Resources Research Center, College of Animal Bioscience and Technology, Konkuk University) ;
  • Kang, C.W. (Animal Resources Research Center, College of Animal Bioscience and Technology, Konkuk University)
  • 박태순 (건국대학교 동물생명과학대학 동물자원연구센터) ;
  • 김재영 (건국대학교 동물생명과학대학 동물자원연구센터) ;
  • 유선종 (건국대학교 동물생명과학대학 동물자원연구센터) ;
  • 이보근 (건국대학교 동물생명과학대학 동물자원연구센터) ;
  • 김진만 (건국대학교 동물생명과학대학 동물자원연구센터) ;
  • 김은집 (천안연암대학 동물복지계열) ;
  • 안병기 (건국대학교 동물생명과학대학 동물자원연구센터) ;
  • 강창원 (건국대학교 동물생명과학대학 동물자원연구센터)
  • Published : 2009.06.30
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Abstract

This experiment was conducted using 350 Lohmann Brown layers (67 weeks of age) to evaluate the dietary effect of organic or inorganic Se and Cu on their contents in chicken eggs. The layers were divided into seven groups and fed a commercial diet or one of the six experimental diets containing different levels of Se and Cu (T1, 0.3ppm organic Se; T2, 1.0ppm organic Se; T3, 1.0ppm inorganic Se; T4, 125ppm organic Cu; T5, 250ppm organic Cu; and T6, 250ppm inorganic Cu) for 5 weeks. No significant differences were observed in egg production and its qualities among groups. The contents of blood cholesterol in the birds fed various levels of Se and Cu were not significantly different as compared to control. Se contents in eggs were linearly increased as dietary Se levels increased for both sources, but Se contents from the groups fed organic Se were slightly higher than those fed inorganic Se. Sensory characteristics of eggs were not influenced by dietary treatments. In conclusion, Se contents in eggs were linearly increased as dietary levels of organic or inorganic Se increased, but eggs in layers fed the diet containing organic Se did not show higher Se contents than those in birds fed dietary inorganic Se.

본 시험에서는 산란계 사료에 Se과 Cu의 첨가가 산란계 생산성에 미치는 영향과 계란 내 이행에 미치는 영향을 조사하기 위해 수행하였다. 67주령의 Lohmann Brown 산란계를 이용하여 동일한 면적의 산란계 2수용 케이지에 모두 7개 처리구 5반복으로, 총 350수를 공시하여 2주간 일반 시판 사료로 예비 사육하였으며, 반복구 별로 산란율이 유사하도록 재배치한 후 시험에 이용하였으며, 5주간 실험을 실시하였다. 사료 섭취량, 산란율, 난중 및 일산란량에서는 처리 간에 큰 차이가 없었으며, 난각 강도, 난각 두께, 난황색 및 Haugh unit 등 난질 및 난각질 관련 지표에서도 처리 간에 큰 차이는 나타나지 않았다. 총 콜레스테롤, GOT 및 GPT 활성에서도 처리 간에 큰 차이가 없었다. Cu는 사료 내 첨가 수준에 따라 증가하는 경향이 관찰되었으나 유의한 차이는 인정되지 않았으며, Se는 사료 내 첨가 수준이 증가함에 따라 계란 내 이행량도 유의하게 증가한 것으로 나타났다. 유기태 Se과 무기태 Se 처리구에서는 유의한 차이는 없었으나, 유기태 Se 처리구에서 다소 높았다. 기타 관능검사는 유의한 차이를 발견할 수 없었다. 본 시험 결과, Se은 첨가 수준에 따라 비례하여 계란 내로 이행되는 것을 확인하였으며, 유기태 형태로의 공급과 무기태 형태로의 공급 모두 유의하게 이행되는 결과가 관찰되었다. Cu의 첨가 형태와 첨가 수준에 따른 계란 내 Cu의 이행은 Cu를 250 ppm 수준으로 급여하였을 때 계란 내 Cu 함량이 대조구에 비해 30% 정도 증가함으로써 Se에 비해서는 이행 효율이 상대적으로 낮은 경향을 보여 주었다. Se은 항산화 작용과 항암에 효과적임이 증명됨에 따라 소비자의 관심이 높은 미량 광물질로서 산란계를 이용하여 계란 내로 이행시킴으로 계란의 소비 증가와 양계 산업 발전을 위해 기능성 계란으로 활용 가능할 것으로 판단된다.

Keywords

References

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