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KMID : 1025520050470030379
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Journal of Animal Science and Technology
2005 Volume.47 No. 3 p.379 ~ p.390
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Effect of Dietary Brown Seaweed Levels on the Protein and Energy Metabolism in Broiler Chicks Activated Acute Phase Response
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Koh Tae-Song
Im Jin-Taek
Park In-Kyung
Lee H.-J.
Choi Do-Yul
Choi Jun-Young
Lee H.-G.
Choi Yun-Jaie
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Abstract
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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 2nd week of age. The acute phase response lowered nitrogen balance(NB)/kg0.75(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 kg0.75 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 kg0.75 and decreased the excretion of UAN/g diet or kg0.75. 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.
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KEYWORD
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Brown seaweed product, Acute phase response, Nitrogen balance, Uric acid nitrogen, Metabolizable energy, Broiler chicks
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