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Evaluación de subproductos cárnicos en la alimentación de Clarias gariepinus.

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Author
Llanes, José E.
Toledo, José
Romero, Clara
Date
2014

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Alternative Title
Meat byproducts evaluation in the feeding of Clarias gariepinus.
Abstract
Se realizaron dos bioensayos para evaluar los subproductos del beneficiado de cerdos como única ración, así como su ensilado químico incorporado en una dieta semihúmeda para la alimentación de Clarias gariepinus, según modelos de clasificación simple con tres repeticiones. El primer experimento tuvo como controles una dieta semihúmeda con ensilado de pescado (DH-EP) y los desechos pesqueros frescos (DP) y para el segundo bioensayo se utilizaron el alimento comercial vegetal (control negativo) y la DH-EP. Los mayores crecimientos (p< 0,01), se encontraron para el control (DH-EP) (227,2 g) y los desechos cárnicos (219,1 g), aunque este último no difirió de los DP (197,2 g). Los Factores de Conversión Alimentaria (FCA), difirieron significativamente (p <0,001) a favor del cárnico (1.1). La inclusión del silo cárnico en la ración que equivalió a incorporar el 30 % de la proteína dietética, permitió alcanzar similares pesos finales respecto a los controles. Sin embargo, el FCA mejoró (p< 0,01) en 370 g menos de alimento por cada kilogramo de incremento de peso vivo y mayor supervivencia respecto al alimento comercial. La dieta semihúmeda con ensilado cárnico presentó menor nivel de costo y del producto final que el alimento comercial. Se concluyó que los subproductos cárnicos y su respectivo silo químico promueven altas tasas de crecimiento, favorables eficiencias alimentarias y permitieron disminuir los costos por concepto de alimentación.
To evaluate the benefit of pigs byproducts as the only ration, as well as their chemical silage incorporated in a semi-humid diet for the feeding of Clarias gariepinus, according to models of simple classification with three repetitions were carried out two experiments. The first experiment had as controls a semi-humid diet with fishing silage (HD-FS) and the fresh fishing waste (FW) and for the second experiment were used the commercial vegetable Food (negative control) and the HD-FS. The biggest growths (p< 0,01), were for the control (HD-FS) (227,2 g) and the meat byproducts (219,1 g), although this last one didn’t differ from FW (197,2 g). Food Conversion rate (FCR) differed significantly (p< 0,001) in favor of the meat waste (1.1). The inclusion of meat silage in the ration that was equivalent to incorporate 30 % of the dietary protein, what allowed to reach similar final weights regarding the controls. However, FCR improved (p<0,01) in 370 g less than food for each kilogram of live weight increment and bigger survival regarding the commercial Food. The semi-humid diet made of meat silage showed a smaller cost level and final product than the commercial food. It concluded that the meat byproducts and their respective chemical silage promote high growing rates, favoring food efficiencies and allowing a decrease in the costs for feeding concept.
Journal
Revista Cubana de Investigaciones Pesqueras
Volume
31
Issue/Article Nr
1
Page Range
pp.15-21
URI
http://hdl.handle.net/1834/9129
Collections
Revista Cubana de Investigaciones Pesqueras

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