Citas bibligráficas
Marchán, A., (2019). Energía digestible de ingredientes y determinación del requerimiento de energía del Sábalo Cola Roja (Brycon erythropterum) [Tesis, Universidad Nacional Agraria La Molina]. https://hdl.handle.net/20.500.12996/3941
Marchán, A., Energía digestible de ingredientes y determinación del requerimiento de energía del Sábalo Cola Roja (Brycon erythropterum) [Tesis]. : Universidad Nacional Agraria La Molina; 2019. https://hdl.handle.net/20.500.12996/3941
@mastersthesis{renati/247021,
title = "Energía digestible de ingredientes y determinación del requerimiento de energía del Sábalo Cola Roja (Brycon erythropterum)",
author = "Marchán Timorán, Andrea Alexandra",
publisher = "Universidad Nacional Agraria La Molina",
year = "2019"
}
The present investigation was aimed at establishing the Digestible Energy requirement of sabalo cola roja (Brycon erythropterum) fingerlings. Apparent digestibility coefficients (ADC) of nutrients and energy of corn and wheat middling was determined to be used in experimental diet formulations for energy requirement. Test diets for ADC determination were prepared by incorporation of 40% of test ingredients into the reference diet and 0.5% Cr2O3 as an inert indicator. The ADCs for dry matter, crude protein, crude lipid, nitrogen-free extract and gross energy were 68.07%, 73.90%, 88.27%, 83.40%, 68.92% for corn and 68.07%, 73.90%, 88.27%, 83.40%, 68.92% for wheat middlings. Energy requirement was obtained by feeding to satiation five experimental diets containing increasing dietary energy levels (3.3, 3.4, 3.5, 3.6 and 3.7 Mcal DE/Kg). Weight gain significantly increased in fishes fed a dietary level of 3.4 Mcal DE/Kg. No significant differences were observed among, feed intake, feed efficiency, energy retention and protein retention. Body composition was not affected significantly (P > 0.05) by dietary energy levels, however, increasing levels of dietary energy showed an increasing level of fat deposition. Second order polynomial regression analysis showed that the optimum dietary energy requirement under the experimental conditions for maximum weight gain, feed efficiency, energy retention and protein retention of B. erythropterum fingerlings was 3.48 Mcal ED / Kg, 3.54 Mcal ED / Kg, 3.49 Mcal ED / Kg and 3.52 Mcal ED / Kg, respectively.
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