Growth, nitrogen and energy utilization of juveniles from four salmonid species: diet, species and size effects
作者： P.A. Azevedo , S. Leeson , C.Y. Cho , D.P. Bureau
DOI: 10.1016/J.AQUACULTURE.2004.01.004
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摘要: Abstract The effect of dietary digestible protein/digestible energy (DP/DE) ratio on growth, feed efficiency (FE), digestibility, nitrogen (N) and utilization, body composition juveniles from four salmonid species reared in freshwater was investigated a series trials. Another objective this study to investigate how the FE, N utilization changed as fish grew. Four diets were formulated be isoenergetic (DE=20 MJ/kg) but contain different DP/DE ratios, 24, 22, 20, 18 g/MJ, achieved through reduction DP level (53% 39%) increase lipid (19% 26%). Diets hand-fed near-satiety triplicate groups lake trout (initial weight (IBW), 47 g) Atlantic salmon (IBW, 25 for 280 days at 13 °C rainbow chinook 24 84 140 days, respectively, 12 °C. Within species, gain not affected by (P
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