Use of tuna industry waste in diets for Nile tilapia, Oreochromis niloticus, fingerlings: effect on digestibility and growth performance

During the tuna canning process, about 52~54% of the total weight of the fish is discarded as waste, which can be processed in order to obtain tuna byproducts meal (TBM), or stabilized as tuna silage hydrolysates (TSH). Both products were tested as replacements of soybean meal (SBM), in diets for fi...

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Autores principales:	Hernández,Crisantema, Olvera-Novoa,Miguel A, Voltolina,Domenico, Hardy,Ronald W, González-Rodriguez,Blanca, Dominguez-Jimenez,Patricia, Valverde-Romero,Martin, Agramon-Romero,Samuel
Lenguaje:	English
Publicado:	Pontificia Universidad Católica de Valparaíso. Facultad de Recursos Naturales. Escuela de Ciencias del Mar 2013
Materias:	fish feeding fisheries by-products silage rendered proteins Oreochromis niloticus
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-560X2013000300010
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spelling	oai:scielo:S0718-560X20130003000102013-10-15Use of tuna industry waste in diets for Nile tilapia, Oreochromis niloticus, fingerlings: effect on digestibility and growth performanceHernández,CrisantemaOlvera-Novoa,Miguel AVoltolina,DomenicoHardy,Ronald WGonzález-Rodriguez,BlancaDominguez-Jimenez,PatriciaValverde-Romero,MartinAgramon-Romero,Samuel fish feeding fisheries by-products silage rendered proteins Oreochromis niloticus During the tuna canning process, about 52~54% of the total weight of the fish is discarded as waste, which can be processed in order to obtain tuna byproducts meal (TBM), or stabilized as tuna silage hydrolysates (TSH). Both products were tested as replacements of soybean meal (SBM), in diets for fingerling male Nile tilapia Oreochromis niloticus. Seven test diets were isonitrogenous (35% CP) and isoenergetic (19 kJ g-1): a basal diet contained SBM as main protein source (TSH0); four experimental diets had increasing inclusion levels of TSH replacing 25, 50, 75 and 100% of the SBM protein. The sixth diet contained TBM as sole protein source, and a commercial feed for tilapia was used as reference diet (RD). The diets were fed for eight weeks to triplicate tanks, each with 15 fry tilapia (initial weight of 0.89 ± 0.29 g). Tilapia fed the TBM diet had greater weight gain and feed intake, and lower feed conversion ratios than those fed diets containing with TSH. The RD, TSH25 and TSH50 diets gave the similar growth response. Fish fed diets TSH0, TSH75% and TSH100% showed reduced growth performance.info:eu-repo/semantics/openAccessPontificia Universidad Católica de Valparaíso. Facultad de Recursos Naturales. Escuela de Ciencias del MarLatin american journal of aquatic research v.41 n.3 20132013-07-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-560X2013000300010en103856/vol41-issue3-fulltext-10
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	fish feeding fisheries by-products silage rendered proteins Oreochromis niloticus
spellingShingle	fish feeding fisheries by-products silage rendered proteins Oreochromis niloticus Hernández,Crisantema Olvera-Novoa,Miguel A Voltolina,Domenico Hardy,Ronald W González-Rodriguez,Blanca Dominguez-Jimenez,Patricia Valverde-Romero,Martin Agramon-Romero,Samuel Use of tuna industry waste in diets for Nile tilapia, Oreochromis niloticus, fingerlings: effect on digestibility and growth performance
description	During the tuna canning process, about 52~54% of the total weight of the fish is discarded as waste, which can be processed in order to obtain tuna byproducts meal (TBM), or stabilized as tuna silage hydrolysates (TSH). Both products were tested as replacements of soybean meal (SBM), in diets for fingerling male Nile tilapia Oreochromis niloticus. Seven test diets were isonitrogenous (35% CP) and isoenergetic (19 kJ g-1): a basal diet contained SBM as main protein source (TSH0); four experimental diets had increasing inclusion levels of TSH replacing 25, 50, 75 and 100% of the SBM protein. The sixth diet contained TBM as sole protein source, and a commercial feed for tilapia was used as reference diet (RD). The diets were fed for eight weeks to triplicate tanks, each with 15 fry tilapia (initial weight of 0.89 ± 0.29 g). Tilapia fed the TBM diet had greater weight gain and feed intake, and lower feed conversion ratios than those fed diets containing with TSH. The RD, TSH25 and TSH50 diets gave the similar growth response. Fish fed diets TSH0, TSH75% and TSH100% showed reduced growth performance.
author	Hernández,Crisantema Olvera-Novoa,Miguel A Voltolina,Domenico Hardy,Ronald W González-Rodriguez,Blanca Dominguez-Jimenez,Patricia Valverde-Romero,Martin Agramon-Romero,Samuel
author_facet	Hernández,Crisantema Olvera-Novoa,Miguel A Voltolina,Domenico Hardy,Ronald W González-Rodriguez,Blanca Dominguez-Jimenez,Patricia Valverde-Romero,Martin Agramon-Romero,Samuel
author_sort	Hernández,Crisantema
title	Use of tuna industry waste in diets for Nile tilapia, Oreochromis niloticus, fingerlings: effect on digestibility and growth performance
title_short	Use of tuna industry waste in diets for Nile tilapia, Oreochromis niloticus, fingerlings: effect on digestibility and growth performance
title_full	Use of tuna industry waste in diets for Nile tilapia, Oreochromis niloticus, fingerlings: effect on digestibility and growth performance
title_fullStr	Use of tuna industry waste in diets for Nile tilapia, Oreochromis niloticus, fingerlings: effect on digestibility and growth performance
title_full_unstemmed	Use of tuna industry waste in diets for Nile tilapia, Oreochromis niloticus, fingerlings: effect on digestibility and growth performance
title_sort	use of tuna industry waste in diets for nile tilapia, oreochromis niloticus, fingerlings: effect on digestibility and growth performance
publisher	Pontificia Universidad Católica de Valparaíso. Facultad de Recursos Naturales. Escuela de Ciencias del Mar
publishDate	2013
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-560X2013000300010
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Use of tuna industry waste in diets for Nile tilapia, Oreochromis niloticus, fingerlings: effect on digestibility and growth performance

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