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Zootecnia Tropical
Instituto Nacional de Investigaciones Agrícolas Venezuela
ISSN: 0798-7269
Vol. 27, No. 1, 2009, pp. 91-96
Bioline Code: zt09011
Full paper language: Spanish
Document type: Research Article
Document available free of charge

Zootecnia Tropical, Vol. 27, No. 1, 2009, pp. 91-96

 es Evaluación de la levadura de vinazas (torula) en la alimentación de alevines de Clarias gariepinus check for this species in other resources (Burchell, 1822)
Llanes Iglesias, José E.; Pérez, José Toledo & de la Vega Valdez, José M. Lazo

Resumen

Se ensayaron dos dietas experimentales que difirieron en el valor de inclusión (10 y 20%) de levadura de torula obtenida a partir de vinazas de destilería, como sustituto parcial de la harina de pescado en el alimento comercial utilizado en el alevinaje de Clarias gariepinus check for this species in other resources (1,30 g de peso inicial) durante 40 días. El diseño experimental fue completamente aleatorizado y el análisis estadístico se realizó mediante el análisis de varianza y las medias se compararon a través del test de Duncan al 5%. Los resultados mostraron que los indicadores de crecimiento, conversión alimentaría, eficiencia proteica y tasas de supervivencias no fueron afectados (P>0,05) por los niveles de levadura evaluados. Se concluye que la levadura de vinazas puede sustituir un 20% de harina de pescado en el alimento comercial de alevinaje de C. gariepinus, con un ahorro de 20,2% por conceptos de alimentación.

Palabras-clave
alimentación, Clarias sp., levadura, vinazas, torula.

 
 en Evaluation of (torula) vinazas yeast in the feeding for fingerling of Clarias gariepinus check for this species in other resources (Burchell, 1822)
Llanes Iglesias, José E.; Pérez, José Toledo & de la Vega Valdez, José M. Lazo

Abstract

Two diets, which differed in the inclusion value (10 and 20%) of vinazas yeast, were tested as partial substitutes of fish meal in commercial food in fingerling farming of Clarias gariepinus check for this species in other resources (1.30 g as initial weight) during 40 days. The experimental design was completely randomized and the statistical analysis of the results was done through analysis of variance and the results were compared through the Duncan test at 5%. The results showed that growth indicators, feed conversion rate, protein efficiency, and survival rate were not affected (P>0.05) by the vinazas yeast levels evaluated. It was concluded that the substitution of 20% of fish meal by vinazas yeast in commercial fingerling food for C. gariepinus is possible, with a 20.2% reduction of costs in relation to feeding concepts.

Keywords
feeding, Clarias sp., yeast, vinazas, torula.

 
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