Effect of Salmonella typhimurium lipopolisaccharide Injection on the Performance, Nitrogen Balance and ME Utilization of Dietary Krill Meal in Broiler Chicks

살모넬라 LPS를 주입한 육계 병아리의 생산성과 질소밸런스 및 대사에너지 이용성에 미치는 사료 중 크릴 밀의 영향

  • Im, J.T. (Department of Animal Life Sciences, Konkuk University) ;
  • Kim, J.H. (Department of Animal Life Sciences, Konkuk University) ;
  • Park , I.K. (Department of Animal Life Sciences, Konkuk University) ;
  • Koh, T.S. (Department of Animal Life Sciences, Konkuk University)
  • 임진택 (건국대학교 축산대학 동물생명과학부) ;
  • 김재환 (건국대학교 축산대학 동물생명과학부) ;
  • 박인경 (건국대학교 축산대학 동물생명과학부) ;
  • 고태송 (건국대학교 축산대학 동물생명과학부)
  • Published : 2003.12.31


Effects of Salmonella typhimurium lipopolysacharide(LPS) and dietary krill meal on the Growth and feed utilization were investigated in broiler chicks. Eight cages of five newly hatched chicks each were assigned and fed to one of the experimental diets containing 0.0,(basal) 0.5 or 1.0% krill meal during 3 weeks of experimental period. And half(four) of the eight cages were i.p. injected with saline or LPS(Immune response activation) every alternate day three times beginning 8 day-old during 2 week of age. Dietary krill meal did not affect growth, feed efficiency, nitrogen balance(NB), uric acid excretion, and ME utilization when the saline was injected. However, the immune response activation lowered daily gain and feed intake and NB and increased uric acid excretion, and the relative liver and spleen weight. Also, birds fed diet containing krill meal 1.0% reduced the feed efficiency and increased spleen weight, and ME and NB or ME required for gain compared with those fed basal and krill meal 0.5% diets in LPS-injected chicks. During recovery period from the immunological stress in 3rd week of age, the krill meal diet reduced the weight of liver and spleen, The results showcd that dietary krill meal did not affect the growth of broiler chicks, but the higher uric acid excretion or dietary ME value indicated the increased protein decomposition or absorption of dietary energy sources in immune response activated birds.


Broiler;Lipopolysaccharide;LPS;Immune response;Krill meal;Nitrogen balance;Metabolizable energy;Uric acid


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