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  • 1
    Publication Date: 2021-05-19
    Description: Se evaluó el uso de desechos de pescado frescos y ensilados (por acidificación y fermentación láctica), como única fuente de proteína animal en dietas semihúmedas para híbridos de Clarias gariepinus x Clarias macrocephalus (4,53 + 0,05 g de peso inicial promedio). Estas dietas se compararon con un alimento balanceado comercial (20 % de harina de desechos de pescado) durante 60 días. Los resultados mostraron que los mejores indicadores de crecimiento y utilización de la proteína se obtuvieron con los desechos frescos, los que difirieron significativamente (p 〈 0,05) de los ensilados y la harina de pescado; sin embargo, la conversión alimentaría (base seca) y supervivencia (〉 85 %) fue similar entre las dietas. Los ensilados y la harina de pescado no tuvieron diferencias significativas (p 〉 0,05) en los indicadores evaluados, por lo que constituye una alternativa para la producción de alimentos acuícolas para países en vía de desarrollo.
    Description: Fish offal waste and silage (by acidification and lactic fermentation), as a unique source of animal protein in half moist diets for Clarias gariepinus x Clarias macrocephalus hybrids (4,53 + 0,05 g initial middle weight) was assessed. These diets were compared with a balanced commercial food (20 % fish offal meal) during 60 days. The results showed that the best growth indicators and protein utilization were obtained by fresh wastes, which were significantly differed (p 〈 0,05) from silage and fish meal. However, the food conversion (dry base) and survival rate (〉85 %) were similar between the diets. Silage and fish meal did not significantly differed (p 〉 0,05) in the evaluated indicators; Therefore, this represents an alternative for aquaculture food production in developing countries.
    Description: Published
    Description: clarias
    Keywords: Feeding ; Fish wastes ; Fish wastes ; Fish silage ; Feeding
    Repository Name: AquaDocs
    Type: Journal Contribution
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