Productividad y características de la canal de ovinos suplementados con propionato de calcio

Productivity and carcass characteristics of sheep supplemented with calcium propionate

Objetivo. Evaluar el efecto de la inclusión de propionato de calcio (PCa) sobre variables productivas y características de la canal en corderos en finalización. Materiales y métodos. Se utilizaron 24 coderos machos de la cruza Dorper*Pelibuey de 5 meses de edad, con un peso corporal promedio (μ±SD) de 27±2.7. Fueron asignados a uno de tres tratamientos [control (CON) y dos niveles de PCa: 10 y 20 g/kg de MS] en un diseño completamente al azar (3 tratamientos, 8 repeticiones por tratamiento, considerando cada cordero como una unidad experimental). Las variables de respuesta se redujeron a 1 valor medio para cada cordero, y los datos se analizaron en SAS versión 9.4 usando Proc Mixed. Resultados. La ganancia diaria de peso (GDP), conversión (CA) y eficiencia alimenticia (EF) fueron mayores en 13, 20 y 24%, respectivamente por la inclusión de 20 g PCa/kg MS (p≤0.05). El peso de la canal fría (PCF), rendimiento en canal caliente (RCC) y rendimiento en canal fría (RCF) fueron mayores al incrementar el nivel de inclusión de PCa (p≤0.05). Conclusiones. La suplementación con PCa en dosis de hasta 20g/kg en dietas de finalización puede mejorar los parámetros productivos y de rendimiento en canal sin afectar el consumo de materia seca (DMI).

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