Tasa de concepción en vacas Bos indicus con sincronización de la ovulación y suplementadas nutricionalmente
DOI:
https://doi.org/10.36436/24223484.691Palabras clave:
Anestro, hormonas, manejo nutricional, preñez, vitaminasResumen
El anestro posparto es uno de los principales problemas en la ganadería bovina debido a diferentes motivos, tales como, la poca disponibilidad de nutrientes en la dieta, la baja condición corporal y la presencia de la cría. Actualmente, existen alternativas reproductivas como la sincronización del celo y la ovulación; sin embargo, su implementación requiere que los animales cuenten con un estado nutricional adecuado. El objetivo de este estudio fue determinar el efecto de la suplementación con bloques nutricionales, aplicación de vitaminas y minerales estimulantes en la reproducción sobre la tasa de concepción en hembras bovinas sincronizadas e inseminadas a tiempo fijo. Se seleccionaron a conveniencia 30 vacas posparto de una ganadería ubicada en el trópico bajo colombiano, las cuales fueron divididas aleatoriamente en dos tratamientos (A y B) conformado por 15 vacas cada uno. Todas las vacas fueron tratadas para sincronización de la ovulación. Al tratamiento A se les suplementó con bloques nutricionales y se les trató con soluciones comerciales de minerales y vitaminas. El tratamiento B se sincronizó con la ovulación, pero sin suplementación. La tasa de concepción en los tratamientos A y B fue de 60% (9/15) y 33% (5/15) respectivamente. Mediante la prueba de Chi2 para muestras independientes no se encontró diferencia significativa en la tasa de concepción en ambos tratamientos (p > 0.05). El tratamiento con minerales y vitaminas estimulantes de la reproducción y la suplementación con bloques nutricionales no mejoran la tasa de concepción en vacas de trópico bajo sincronizadas e inseminadas a tiempo fijo.Descargas
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