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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/38313

Title: The effects of dietary protein and lipid in the blood parameters and superoxide anion production in grouper
Authors: Ann-Chang Cheng
Chia-Yung Chen
Chyng-Hwa Liou
Ching-Fong Chang
Contributors: 國立臺灣海洋大學:水產養殖學系
Keywords: Grouper
Protein
Fat
Growth
Superoxide anion
Date: 2005
Issue Date: 2016-08-25T01:36:44Z
Abstract: Abstract: The objectives of this study were to investigate
the effects of dietary lipid and protein levels on blood parameters, body composition, body indices, and the
production of superoxide anions in the grouper, Epinephelus coioides (Serranidae: Epinephelinae). The effects
of acute cold stress on the production of superoxide anions were also studied. A feeding trial was conducted
for 12 wk on 200 juvenile groupers (10 g) per cage placed in a 2-ton tank with a recirculation system. In total, 4
dietary treatments with a 2 x 2 factorial array were conducted. Treatments had either low (L, 31%) or moderate
(M, 47%) crude protein (P) combined with either moderate (M, 10%) or high (H, 18%) fat (F). Fish were handfed
to apparent satiation. Consumption of the high-fat, low-protein (LP-HF) diet resulted in abnormally
increased levels of plasma glucose, triglycerides, and cholesterol, lower production of superoxide anions, and
poor growth performance, which is consistent with higher body lipid content, viscerosomatic index, intraperitoneal
fat, and hepatosomatic index of the fish. However, consumption of the moderate-protein, high-fat (MPHF)
diet decreased the impaired metabolism and increased the production of superoxide anions in the grouper.
Grouper fed the high-fat (LP-HF and MP-HF) diets produced significantly higher levels of superoxide anions
after acute cold shock (stress) compared to the control fish. In summary, our data suggest that high dietary fat
results in increased fat deposition, and plasma triglyceride and glucose levels in grouper. High dietary lipid
enhanced the immune response of grouper after acute cold shock.
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/38313
Appears in Collections:[水產養殖學系] 期刊論文

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