Effects of six alternative lipid sources on growth and tissue fatty acid composition in Japanese sea bass (Lateolabrax japonicus)
文献类型: 外文期刊
第一作者: Xue, Min
作者: Xue, Min;Luo, Lin;Wu, Xiufeng;Ren, Zelin;Gao, Peng;Yu, Yu;Pearl, Gary
作者机构:
关键词: Japanese sea bass (Lateolabrax japonicus);lternative lipids sources;growth;tissue fatty acid composition
期刊名称:AQUACULTURE ( 影响因子:4.242; 五年影响因子:4.723 )
ISSN: 0044-8486
年卷期: 2006 年 260 卷 1-4 期
页码:
收录情况: SCI
摘要: Ten-week experiment was carried out on Japanese sea bass (5.87 +/- 0.02 g) to study the effects of replacement of fish oil with six alternative lipid sources: pork lard, PL; beef tallow, BT; poultry fat, PF; soybean oil, SO; corn oil, CO; and a mixed-fat (MF: tallow, 60%; soy oil, 20%; fish oil, 20%) on growth performance and fatty acid (FA) composition in fillet and liver. Seven isoenergetic and isonitrogenous experimental diets were formulated, containing 10% of added lipid. Fish oil was used in control diet, which was substituted by 50% with the alternative lipid sources in the other six diets. Weight gain (WG), specific growth rate (SGR), Feed conversion ratio (FCR) feed intake and hepatosomatic index (HSI) of fish fed the experimental diets were not significantly different (P > 0.05). Protein efficiency ratio (PER) in fish fed the PF diet were significantly lower than those of fish fed SO and CO diets. Significant differences in carcass moisture and lipid contents of carcass and liver were observed among fish fed the dietary treatments. Generally, the fatty acid composition of fish fillets and livers reflected the dietary FA composition. (c) 2006 Elsevier B.V. All rights reserved.
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