Effect of Dietary Brown Seaweed Levels on the Protein and Energy Metabolism in Broiler Chicks Activated Acute Phase Response

급성기 반응을 활성화한 육계 병아리에서 사료중 미역 제품 수준이 단백질과 에너지 대사에 미치는 영향

  • Koh, T.S. (Department of Animal Life Sciences, Konkuk University) ;
  • Im, J.T. (Department of Animal Life Sciences, Konkuk University) ;
  • Park, I.K. (Department of Animal Life Sciences, Konkuk University) ;
  • Lee, H.J. (Department of Animal Life Sciences, Konkuk University) ;
  • Choi, D.Y. (Department of Animal Life Sciences, Konkuk University) ;
  • Choi, C.J. (Department of Animal Life Sciences, Konkuk University) ;
  • Lee, H.G. (Seoul National University) ;
  • Choi, Y.J. (Seoul National University)
  • 고태송 (건국대학교 축산대학 동물생명과학부) ;
  • 임진택 (건국대학교 축산대학 동물생명과학부) ;
  • 박인경 (건국대학교 축산대학 동물생명과학부) ;
  • 이혜정 (건국대학교 축산대학 동물생명과학부) ;
  • 최도열 (건국대학교 축산대학 동물생명과학부) ;
  • 최준영 (건국대학교 축산대학 동물생명과학부) ;
  • 이홍구 (서울대학교 농업생명과학대학 농생명공학부) ;
  • 최윤재 (서울대학교 농업생명과학대학 농생명공학부)
  • Published : 2005.06.30


Effects of dietary brown seaweed product levels on performance and metabolism of protein and energy were investigated in broiler chicks that were activated the acute phase response. One day old chicks were fed diets containing either 0.0(basal), 1.0, 2.0 or 4.0 % brown seaweed products for 3 weeks. The acute phase response was activated by injecting i.p. the Salmonella typhimurium lipopolysacharide(LPS) at $2^{nd}$ week of age. The acute phase response lowered nitrogen balance(NB)/ $kg^{0.75}$ (metabolic body size) and highered dietary ME values in birds fed diets containing brown seaweed product. Increase in dietary brown seaweed products levels lowered daily gain, and NB, uric acid nitrogen(UAN) excretion and ME utilization per $kg^{0.75}$ in chicks with the acute phase response. But the dietary brown seaweed product level did not affect the performance of 3 Week old broiler chicks that experienced the acute phase response. And the brown seaweed products 1.0 and 2.0 % diets lessened the feed intake reduction caused by the acute phase response in broiler chicks. The brown seaweed 2.0% diet increased NB / g diet or $kg^{0.75}$ and decreased the excretion of UAN/g diet or $kg^{0.75}$. This result indicated that the brown seaweed was able to interact with the acute phase response and increased protein retention via decreased breakdown of protein in birds fed brown seaweed 2.0% diet.


Brown seaweed product;Acute phase response;Nitrogen balance;Uric acid nitrogen;Metabolizable energy;Broiler chicks


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