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Can lysine and branched-chain amino acids improve lumpfish health and stress re...
Lopes, Tiago da Santa; Costas, Benjamin; Ramos-Pinto, Lourenço; Pimentel, Christopher; Pinto-Cunha, Francisco; Reynolds, Patrick; Imsland, Albert K. D.The expansion of lumpfish use as a cleaner fish has recently come to a halt, in part due to the concerns around their welfare. While refining handling procedures and operational standards is necessary, improving aquafeeds has the potential to alleviate the burden caused by chronic stress. This study examined the influence of different inclusions of dietary branched-chain amino acids (BCAAs) and lysine (Lys) on ...
Lumpfish physiological response to chronic stress
Lopes, Tiago da Santa; Costas, Benjamin; Ramos-Pinto, Lourenço; Reynolds, Patrick; Imsland, Albert K. D.; Fernandes, Jorge M. O.; Aragão, CláudiaIn this study, we explored the effects of chronic stress on lumpfish (Cyclopterus lumpus) physiological, immune response, health, and plasma free amino acids. 3 groups of lumpfish were exposed to 1-minute air exposure. 1 group was exposed to stress once per week, a second group exposed 2 times per week, and a third group exposed 4 times per week. The present study revealed significant alterations in immunity an...