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살모넬라 LPS를 주입한 육계 병아리의 생산성과 질소밸런스 및 대사에너지 이용성에 미치는 사료 중 크릴 밀의 영향
임진택,김재환,박인경,고태송 한국동물자원과학회 2003 한국축산학회지 Vol.45 No.6
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, fed 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 showed 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.
급성기 반응중인 육계 병아리의 생산성에 미치는 사료 중 크릴 밀의 영향
고태송,임진택,박인경,김재환 한국동물자원과학회 2004 한국축산학회지 Vol.46 No.2
The effect of dietary Antartic krill(Euphausia Superba) meal on the performance of broiler chicks during the acute phase responses was studied. One d-old male broiler chicks(Avian) were fed on the experimental basal (0.0% krill meal), and 0.5 and 1.0% krill meal diets, and then the acute phase response were activated by injecting Salmonella typhymurium lipopolisaccharide(LPS) three times i.p. at 8, 10 and 12 day of age. The 10.% krill meal diet group had reduced daily gain and feed efficiency during the acute phase response of the 2nd week of age, while during recovery from the acute phase response of the 3rd week of age the lowered performance disappeared. The acute phase response increased the relative weight of liver and spleen, and dietary krill meal enhanced the activities of MnSOD and Cu/ZnSOD in liver and erythrocyte cytosols during the acute phase response although neither the acute phase response or dietary krill meal affected significantly PHA-p hypersensitivity. The results indicated that dietary krill meal affected the performance and SOD activity of broilers chicks during the acute phase respones.
사료 중 크릴 밀을 급여한 육계의 생산성과 SOD 활성에 미치는 급성기 반응의 영향
박인경,김재환,임진택,고태송 한국동물자원과학회 2004 한국축산학회지 Vol.46 No.2
Two experiments were conducted to exzmine the effects of the acute phase response on the performance and superoxide dismutase(SOD) activities in liver and erythrocyte of broiler chicks fed dietary krill meals A and B in experiment 1 and krill meal A in experiment 2. The experimental diets are basal diet based on yellow corn and soybean meal and diets substituted 2.0% of krill meal A or B with soybean meal of the basal diet, respectively. Day-old birds fed on the experimental diets and the acute phase response(immunological stress) was activated in the birds on 8-day of age by alternate day injection i.p. with 3 doses the Salmonella typhymurium lipopolysaccharide(LPS) in saline. The values during the acute phase response were compared with those controls injected with saline. The performance; daily gain, feed intake, and feed efficiency were different between dietary krill meal A and B in birds during the acute phase response and in the control. The acute phase response increased relative liver and spleen weights. Recovery of birds from the immunological stress was different between krill meals. Dietary krill meals increased activities of MnSOD and Cu/ZnSOD in erythrocyte cytosols during the actute phase response. Dietary krill meals did not affect the PHA-p response. The results indicated that the dietary krill meals may accentuate oxidative stress during the acute phase response.