Effect of rearing system and sex on the composition and fatty acid profile of Andinoacara rivulatus meat from Ecuador

This study evaluated the influence of rearing system (cultured vs. wild rearing systems), and fish sex on carcass and flesh traits of A. rivulatus, raised in Ecuador. Three hundred mature specimens from A. rivulatus were captured, 150 from each origin. Slaughter yield and dress-out resulted similar...

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Autores principales: Gonzalez, Ana, Angón, Elena, González, Martin, Rodriguez, Jorge, Barba, Cecilio, García, Anton
Formato: Artículo revista
Lenguaje:Inglés
Publicado: Facultad de Ciencias Agrarias-UNCuyo 2021
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Acceso en línea:https://revistas.uncu.edu.ar/ojs3/index.php/RFCA/article/view/4194
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id I11-R107article-4194
record_format ojs
institution Universidad Nacional de Cuyo
institution_str I-11
repository_str R-107
container_title_str Revista de la Facultad de Ciencias Agrarias UNCuyo
language Inglés
format Artículo revista
topic pez de agua dulce
características de la carne
análisis proximal
minerales
freshwater fish
flesh attributes
proximate analysis
minerals
spellingShingle pez de agua dulce
características de la carne
análisis proximal
minerales
freshwater fish
flesh attributes
proximate analysis
minerals
Gonzalez, Ana
Angón, Elena
González, Martin
Rodriguez, Jorge
Barba, Cecilio
García, Anton
Effect of rearing system and sex on the composition and fatty acid profile of Andinoacara rivulatus meat from Ecuador
topic_facet pez de agua dulce
características de la carne
análisis proximal
minerales
freshwater fish
flesh attributes
proximate analysis
minerals
author Gonzalez, Ana
Angón, Elena
González, Martin
Rodriguez, Jorge
Barba, Cecilio
García, Anton
author_facet Gonzalez, Ana
Angón, Elena
González, Martin
Rodriguez, Jorge
Barba, Cecilio
García, Anton
author_sort Gonzalez, Ana
title Effect of rearing system and sex on the composition and fatty acid profile of Andinoacara rivulatus meat from Ecuador
title_short Effect of rearing system and sex on the composition and fatty acid profile of Andinoacara rivulatus meat from Ecuador
title_full Effect of rearing system and sex on the composition and fatty acid profile of Andinoacara rivulatus meat from Ecuador
title_fullStr Effect of rearing system and sex on the composition and fatty acid profile of Andinoacara rivulatus meat from Ecuador
title_full_unstemmed Effect of rearing system and sex on the composition and fatty acid profile of Andinoacara rivulatus meat from Ecuador
title_sort effect of rearing system and sex on the composition and fatty acid profile of andinoacara rivulatus meat from ecuador
description This study evaluated the influence of rearing system (cultured vs. wild rearing systems), and fish sex on carcass and flesh traits of A. rivulatus, raised in Ecuador. Three hundred mature specimens from A. rivulatus were captured, 150 from each origin. Slaughter yield and dress-out resulted similar for both rearing system, and average fillet yield for cultured fish was significantly higher than for wild fish, while cooking loss was significantly lower. Dress-out was significantly higher in females. Significant differences were found in wet percentage, ash, fat and protein content in both rearing systems, but only wet percentage was significantly affected by sex. Palmitic, oleic and arachidonic acids had the maximum percentage of saturated (SFA) and mono/poly unsaturated (MUFA/ PUFA) fatty acids, respectively. In cultured and wild fish, differentiations were also found in PUFA/SFA, docosahexaenoic acid (DHA)/eicosapentaenoic acid (EPA), atherogenicity (IA), and thrombogenicity (IT) indices, along with P, K, Mg, Cu and Fe. Sex and rearing system significantly influenced most of the analyzed characteristics of carcass and flesh of A. rivulatus. Fillet high yield and its proximate composition categorize A. rivulatus as a suitable food. These results provide valuable nutritional information about native species for consumers in Ecuador. Highlights: The rearing system (cultured vs. wild rearing systems), and fish sex affect the carcass and flesh traits of A. rivulatus. Fillet high yield and its proximate composition categorize A. rivulatus as a suitable food. The proximate composition of fillet from cultured A. rivulatus is more adequate than those of wild A. rivulatus. The cultured A. rivulatus contains higher n-3 and n-6 PUFA percentages and adequate n-3/n-6 ratio.
publisher Facultad de Ciencias Agrarias-UNCuyo
publishDate 2021
url https://revistas.uncu.edu.ar/ojs3/index.php/RFCA/article/view/4194
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