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Effect of ractopamine on Nile tilapia in the end of grow-out period
Provedor de dados: 96
Autores: Tovo Neto,Aldo; Bittarello,Alis Correia; Tovo,Rogério Paulo; Meurer,Fábio; Santos,Lilian Dena dos; Bombardelli,Robie Allan.
ABSTRACT This experiment was conducted in outdoor tanks to evaluate the effect of inclusion of ractopamine at increasing levels (0, 4, 8, 12, and 16 mg kg−1) as additive in Nile tilapia (Oreochromis niloticus) diet in the final grow-out period (750-920 g) during 31 days. Therefore, 400 fish were housed into 20 experimental tanks, in a completely randomized design with five treatments and four replications. Growth performance, body yield, and chemical composition of fish muscle and organs were evaluated. Fish fed diets containing up to 16 mg kg−1 of ractopamine for 31 days did not improve growth or performance parameters. However, lipid percentage of abdominal muscle was different in fish fed ractopamine, reaching the lowest level of 199.3 g kg−1 of ether...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Beta-adrenergic; Feed additive; Fish nutrition; Growth promoters.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982017000500367