Effects of isoenergetic diets with varying protein and lipid levels on the growth, feed utilization, metabolic enzymes activities, antioxidative status and serum biochemical parameters of black sea…

By Lei Wang, Wanrong Zhang, Sagada Gladstone, Wing Ng, Jingzhi Zhang, Qingjun Shao. Aquaculture, 2019

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Abstract Six isoenergetic (20.9 kJ g−1) diets were fed to triplicate groups of 20 black sea bream, Acanthopagrus schlegelii (initial weight 11.20 ± 0.20 g) to apparent satiation for eight weeks. The dietary protein (P) levels (28.85, 31.21, 34.15, 37.46, 40.22 and 42.87%) were combined with lipid (L) levels (26.32, 24.54, 22.73, 20.94, 19.13 and 17.35%), respectively, with the protein: energy (P/E) ratios ranging from 13.71 to 20.60 mg kJ−1. The weight gain and specific growth rate of the experimental fish increased with increasing dietary P/E ratios up to fish fed the P37/L21 diet (P/E ratio 17.88 mg kJ−1), beyond which growth performance decreased (P

Subfields: Aquatic Science, Immunology, Physiology

View Paper: https://www.semanticscholar.org/paper/84ef689ccf1001303a63ed14fb6ce778c8c3800e