Resumen
La presente investigación tuvo como objetivo determinar el efecto del consumo de dieta líquida y alimento balanceado sobre el crecimiento y desarrollo ruminal en terneras de lechería. El experimento se llevó a cabo en una finca comercial ubicada a 2500 msnm en la provincia de Cartago, Costa Rica. Diez animales de la raza Holstein se seleccionaron al nacimiento y se incluyeron aleatoriamente en 1 de 2 tratamientos.El tratamiento convencional consistió en ofrecer a los animales una dieta líquida de forma restringida (4 l.animal-1.d-1). El tratamiento intensivo consistió en suministrar a los animales la dieta líquida en mayores cantidades, hasta alcanzar un consumo de 8 l.animal-1.d-1. Se realizaron mediciones semanales de peso, altura a la cruz y a la cadera. Los animales se sacrificaron a las 8 semanas, con el fin de hacer evaluaciones y poder comparar el crecimiento y desarrollo ruminal. Los animales en el tratamiento intensivo presentaron menores consumos de alimento balanceado. No se encontraron diferencias significativas en cuanto al peso corporal, altura a la cruz o altura a la cadera entre tratamientos. Al brindar una mayor cantidad de leche con el tratamiento intensivo, se observó un menor desarrollo del rumen y del crecimiento de sus papilas, lo que puede afectar negativamente el desempeño posdesdete de los animales.Citas
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