Resumen
El uso intensivo de los antibióticos promotores del crecimiento (APC) ha originado resistencia bacteriana con efectos perjudiciales para la salud, ante esta situación es necesario buscar productos alternativos, como los productos fitogénicos. El objetivo de la investigación fue evaluar el efecto de la harina de ajo y cebolla en la dieta sobre el rendimiento productivo y uniformidad de lote en pollos de engorde. Se utilizaron 150 pollos machos de carne de la línea Cobb 500.
Las aves se distribuyeron al azar en tres grupos con cinco replicaciones y cada replicación con diez pollos. Los tratamientos fueron: T0: Control negativo, sin APC; T1: Control positivo, con APC (Enramicina 8%); T2: Harina de ajo 0,75% + cebolla 0,75%. Las variables de rendimiento productivo fueron: peso vivo, consumo de alimento, conversión alimenticia y uniformidad de lote. Se utilizó el análisis de varianza de un diseño completamente al azar (DCA) y la prueba de Tukey para evaluar las variables estudiadas. No se encontraron diferencias significativas (P>0.05) en el rendimiento productivo, al comparar el tratamiento de harina de ajo y cebolla (T2) con los tratamientos sin APC (T1) y con APC (T2); la uniformidad de lote fue elevada, sin mostrar diferencias (P>0,05) entre los tratamientos. La harina de ajo y cebolla podría constituir una alternativa de uso en la dieta alimenticia de pollos de engorde.
Citas
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Derechos de autor 2021 Carlomagno Ronald Velásquez Vergara, Jaime Fernando Vega-Vilca, Hilario Noberto Pujada Abad, Félix Esteban Airahuacho Bautista