Effects of feeding Atlantic salmon (Salmo salar L.) imbalanced levels of lysine and arginine
By G. Berge, H. Sveier, E. Lied. 2002
88 citations recorded by the source corpus.
Two experiments were performed to study the effects of imbalanced levels of arginine and lysine in diets of Atlantic salmon (Salmo salar L.) with Zein as the major dietary protein source. In the first experiment, the effects of high levels of lysine on marginal levels of arginine and high levels of arginine on marginal levels of lysine were compared in fish fed these amino acids at either marginal or high levels. Dietary contents of arginine/lysine were 30.0/29.4, 17.0/29.4, 30.0/14.4 and 17.2/14.5 g kg–1, respectively. In the second experiment, fish were fed increasing levels of lysine in a diet containing arginine at the requirement level. Dietary levels of arginine/lysine in the second experiment were 23.0/17.0, 23.0/34.3, and 23.0/46.4 g kg–1. Atlantic salmon fed marginal levels of lysine showed better growth and feed utilization when fed diets supplemented with high levels of arginine. Fish fed diets marginal in arginine exhibited increased growth and feed utilization when fed diets supplemented with high levels of dietary lysine. Increasing dietary lysine did not significantly affect growth in fish fed arginine at the requirement level. Increased growth in fish fed high dietary arginine levels might be explained by increased tissue concentrations of ornithine acting as a precursor for in situ synthesis of polyamines. A slight correlation between specific growth rate (SGR) and concentration of spermidine in muscle and between condition factor and concentration of total polyamines in muscle was seen. Abdominal injection of U-C14 arginine may indicate lysine inhibition of arginine availability in muscle tissue.
Subfields: Aquatic Science, Immunology, Molecular Biology
View Paper: https://www.semanticscholar.org/paper/8ba5f8594687110dc3c3d4f126d6cd68939b10c8
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Citations in the corpus
- Evaluation of poultry by-product meal in commercial diets for hybrid striped bass (Morone chrysops ♀×M. saxatilis ♂) in recirculated tank production (2006, background): “Evidence of dietary Lys–Arg antagonism is well documented in livestock production (D'Mello, 1994) but varies considerably among species of fish (Wilson, 2002) and the level of metabolism at which the Arg–Lys interaction is studied (Berge et al., 2002).”
- Can Atlantic salmon (Salmo salar) grow on diets devoid of fish meal (2006, methodology): “As interactions between dietary lysine and arginine have been reported (Berge et al., 2002), Diets 2, 3 and 4 were supplemented with L-arginine to similar level as the fish meal reference diet.”