Requirement for digestible lysine in Nile tilapias (Oreochromis niloticus) with live weight between 500 and 600 g
José Claudio Bezerra Muniz Junior,
Suzana Linhares Haidamus,
Noédson de Jesus Beltrão Machado
et al.
Abstract:The present study was carried out with the objective of determining the requirements for digestible lysine in Nile tilapia during the 500 to 600 g live weight stage. Isocaloric and isonitrogenous diets were tested with increasing amounts of digestible lysine. L-lysine HCl (78%) were used to replace glutamic acid at increasing levels, resulting in treatments of 9.3, 12.3, 15.3, 18.3 and 21.3 g kg-1 of digestible lysine. Three hundred Nile tilapias with an average weight of 519 ± 27.23 g were used and distribute… Show more
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