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Excess dietary cholesterol may have an adverse effect on growth performance of early post-larval Litopenaeus vannamei

Author(s): Niu Jin | Chen Peng-Fei | Tian Li-Xia | Liu Yong-Jian | Lin Hei-Zhao | Yang Hui-Jun | Liang Gui-Ying

Journal: Journal of Animal Science and Biotechnology
ISSN 1674-9782

Volume: 3;
Issue: 1;
Start page: 19;
Date: 2012;
Original page

Keywords: Cholesterol | Growth | Larvae | Lipid classes | Litopenaeus vannamei | Survival

Abstract One experiment was conducted to determine the nutritive value of cholesterol for post-larval shrimp, Litopenaeus vannamei. Four isoenergetic and isonitrogenous diets supplemented with four levels of cholesterol (D1, D2, D3 and D4 with 0, 0.5%, 1% and 2% cholesterol, respectively) were fed to triplicate groups of L. vannamei shrimp (mean initial wet weight 0.8 mg) for 27 days. After the trial, shrimp fed the D1 diet had the best growth performance (final body weights: FBW; weight gain: WG; specific growth rate: SGR), while there was no significant difference between diet treatments with respect to survival. The whole body crude protein level in the shrimp decreased with the increase in dietary cholesterol levels, while the whole body crude lipid level in shrimps in the D4 diet treatment was significantly higher (P 
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