Bibliographic citations
Briones, K., (2019). Digestibilidad de ingredientes proteicos y requerimiento de proteína para el Paco (Piaractus brachypomus) en la etapa de alevinos [Tesis, Universidad Nacional Agraria La Molina]. https://hdl.handle.net/20.500.12996/4056
Briones, K., Digestibilidad de ingredientes proteicos y requerimiento de proteína para el Paco (Piaractus brachypomus) en la etapa de alevinos [Tesis]. : Universidad Nacional Agraria La Molina; 2019. https://hdl.handle.net/20.500.12996/4056
@mastersthesis{renati/247073,
title = "Digestibilidad de ingredientes proteicos y requerimiento de proteína para el Paco (Piaractus brachypomus) en la etapa de alevinos",
author = "Briones Zambrano, Keyla Benja",
publisher = "Universidad Nacional Agraria La Molina",
year = "2019"
}
Two trial experiments were carried out in the Laboratorio de Investigación en Nutrición y Alimentación de Peces y Crustáceos. First, a reference diet and three diets composed of the feedstuffs (fishmeal, soybean meal dehulled and extruded full-fat soybean meal) were tested for twelve weeks in the Paco Piaractus Brachypomus to determine the in vivo Apparent Digestibility Coefficients (ADC) for dry matter, crude protein, lipid and energy. Feces were collected by sedimentation and digestibility coefficients were calculated using chromium oxide as an external indicator. Average ADC ranges found for crude protein (80.18-83.85%), dry matter (67.35 - 69.88%), lipid (75.57 – 83.58%) and the digestible energy content (ED) (3200-3720 kcal / kg) were similar to those previously reported ADCs. In the second experiment, five dietary protein levels from 26 to 34% were tested for fingerling paco over a feeding period of six weeks. Weight gain and feed efficiency were significantly influenced by dietary protein level. A linear increase in weight gain and feed efficiency was observed in response to dietary protein level from 26 to 32%, after which it declined with protein levels of 34%. Based on a quadratic equation, the protein requirement for maximizing weight gain and feed efficiency was estimated at 34.78% and 33.99% respectively in Piaractus brachypomus fingerlings,
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