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Turkish Journal of Fisheries and Aquatic Sciences 2018, Vol 18, Num, 10     (Pages: 1227-1233)

Effect of Dietary Taurine Supplementation on Growth Performance and Body Composition of Snapper, Lutjanus colorado Juvenile

Crisantema Hernandez 1 ,Erika Yazmin Sanchez-Gutierrez 1 ,Leonardo Ibarra-Castro 1 ,Emyr Pena 2-3 ,Gabriela Gaxiola 3 ,Ana M Calderon De La Barca 3

1 Centro de Investigación en Alimentación y Desarrollo, A.C. Laboratorio de Nutrición y Acuicultura, Av. Sábalo Cerritos s/n. Mazatlán, Sinaloa 89010. México
2 Laboratorio de Acuicultura Tropical, División Académica de Ciencias, Biológicas Universidad Juárez Autónoma de Tabasco, C.P. 86139 Villahermosa, Tabasco, México. Consejo Nacional de Ciencia y Tecnología, C.P. 03940 México City, México
3 Unidad Multidisciplinaria de Docencia e Investigación, Sisal, Fac. de Ciencias, Universidad Autónoma de México, Puerto de abrigo s/n Hunucma, Yucatán, 97355, México
4 Centro de Investigación en Alimentación y Desarrollo, A.C., Laboratorio de Nutrición. Carretera a la Victoria s/n. Hermosillo, Sonora, México
DOI : 10.4194/1303-2712-v18_10_09 Viewed : 687 - Downloaded : 760 This study evaluated the effect of soybean meal (SBM) diets supplemented with taurine (T) on growth performance and body composition of red snapper (Lutjanus colorado). Six isonitrogenous (50%) and isoenergetic (20 MJ/kg) diets were formulated with 20%, 40% and 60% proportions of SBM substitution of total fish meal. Three diets of fish meal protein were replaced by soybean protein which were supplemented with 0.6, 1.2 and 1.8% of taurine (SBM20+T, SBM40+T and SBM60+T), respectively, or without taurine supplementation (SBM20, SBM40 and SBM60). Each diet was fed to triplicate groups of 20 juvenile snapper (average initial weight 3.1± 0.41g) to apparent satiation three times a day for an 8-week period. The fish fed the SBM40+T diet with a total taurine concentration of 16.3 g kg-1 diet had a significantly greater final weight, specific growth rate, and a lower feed conversion ratio than fish fed the other diets. There were significant differences in feed intake and whole-body composition between fish fed different dietary treatments. Survival was not affected by the experimental diets. Considering growth, feed intake and body composition of red snapper, soybean meal could partially replace fish meal by up to 40% and supplemented with taurine in practical feeds. Keywords : Red snapper, plant protein, soybean meal, fish meal replacement