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G. Gall, P. Crandell (1992)
The rainbow troutAquaculture, 100
E. Jøsrgensen, S. Johansen, M. Jobling (1997)
Seasonal patterns of growth, lipid deposition and lipid depletion in anadromous Arctic charrJournal of Fish Biology, 51
N. Haard (1992)
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J. Marliave (1986)
Lack of Planktonic Dispersal of Rocky Intertidal Fish LarvaeTransactions of The American Fisheries Society, 115
G. Reinitz (1983)
Relative effect of age, diet, and feeding rate on the body composition of young rainbow trout (Salmo gairdneri)Aquaculture, 35
O. Einen, A. Roem (1997)
Dietary protein/energy ratios for Atlantic salmon in relation to fish size: growth, feed utilization and slaughter qualityAquaculture Nutrition, 3
M. Drewry, R. Harris, Roy Martin (1989)
The effect of increased adiposity on food intake of juvenile ratsPhysiology & Behavior, 45
Johansen Johansen, Jobling Jobling (1998)
The influence of feeding regime on growth and slaughter traits of cage‐reared Atlantic salmonAquaculture International, 6
G. Reinitz, L. Orme, C. Lemm, Frances Hitzel (1978)
Influence of Varying Lipid Concentrations with Two Protein Concentrations in Diets for Rainbow Trout (Salmo gairdneri)Transactions of The American Fisheries Society, 107
K. Jürss, T. Bittorf, T. Vökler (1985)
Influence of salinity and ratio of lipid to protein in diets on certain enzyme activities in rainbow trout (Salmo gairdneri Richardson).Comparative biochemistry and physiology. B, Comparative biochemistry, 81 1
K. Shearer (1994)
Factors affecting the proximate composition of cultured fishes with emphasis on salmonidsAquaculture, 119
B. Grayton, F. Beamish (1977)
Effects of feeding frequency on food intake, growth and body composition of rainbow trout (Salmo gairdneri)Aquaculture, 11
D. Weigle (1994)
Appetite and the regulation of body compositionThe FASEB Journal, 8
T. Storebakken, S. Hung, C. Calvert, E. Plisetskaya (1991)
Nutrient partitioning in rainbow trout at different feeding ratesAquaculture, 96
A. Kiessling, L. Johansson, T. Storebakken (1989)
Effects of reduced feed ration levels on fat content and fatty acid composition in white and red muscle from rainbow troutAquaculture, 79
Koskela Koskela, Jobling Jobling, Savolainen Savolainen (1998)
Influence of dietary fat level on feed intake, growth and fat deposition in the whitefish, Coregonus lavaretusAquaculture International, 6
C. Cho, S. Kaushik (1990)
Nutritional energetics in fish: energy and protein utilization in rainbow trout (Salmo gairdneri).World review of nutrition and dietetics, 61
S. Papoutsoglou, E. Papaparaskeva-Papoutsoglou (1978)
Comparative studies on body composition of rainbow trout (Salmo gairdneri R.) in relation to type of diet and growth rateAquaculture, 13
R. Weatherup, K. Mccracken, R. Foy, D. Rice, J. McKendry, R. Mairs, R. Hoey (1997)
The effects of dietary fat content on performance and body composition of farmed rainbow trout (Oncorhynchus mykiss)Aquaculture, 151
Rainbow trout, Oncorhynchus mykiss (Walbaum), (initial weight ∼ 90 g) were fed diets differing in fat content (27.5% versus 12.6%) to examine the effects of dietary fat level on growth and fat deposition. During phase 1, which was run for 11 weeks, the fish were fed either a high‐ (27.5%) or low‐fat (12.6%) diet. The fish were held at 14.5 °C under a 24 h:0 h light:dark photoperiod and were fed for 4 h each day during this phase. Subsequently, in phase 2, both diets were presented simultaneously, and the influence of adiposity on growth and fat deposition was examined in a growth trial which lasted for 8 months. There were no significant differences in body weights at the end of phase 1 (360.7 ± 7.7 g versus 348.2 ± 18.7 g for the fish on the high‐ and low‐fat diets, respectively), but body composition was influenced by the fat content of the diet. The trout fed the high‐fat diet had higher viscerosomatic indices (VSI: 11.7 ± 2.0% versus 9.1 ± 0.7%) and higher visceral fat contents (per cent fat: 38.0 ± 6.7% versus 23.3 ± 3.7%) than trout fed the low‐fat diet. The percentage fat contents of the carcass (per cent fat: 12.4 ± 1.0% versus 9.3 ± 0.7%) and whole body (per cent fat: 15.4 ± 1.6% versus 10.5 ± 0.7%) were higher amongst the trout fed the high‐fat diet, and these fish had a higher energy gain than those fish fed the low‐fat diet. Differences in adiposity between the trout fed the high‐ and low‐fat diets did not result in any differences in weight gain when the fish were provided with both diets simultaneously. During phase 2, the fish that had previously been fed the low‐fat diet deposited more fat than those fed the high‐fat diet during phase 1. The latter maintained whole body fat concentrations at ± 15% (phase 1: 15.4 ± 1.6%; phase 2: 15.2 ± 1.2%), whereas the fish that had been fed the low‐fat diet increased their body fat concentration during phase 2 (phase 1: 10.5 ± 0.7%; phase 2: 14.7 ± 1.3%). Thus, there were no significant differences between groups in either body weight or proximate composition by the end of the experiment.
Aquaculture Research – Wiley
Published: Aug 1, 1998
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