Empleo de subproductos de la agroindustria en levante de novillas para la producción de leche
No hay miniatura disponible
Fecha
Autores
Título de la revista
ISSN de la revista
Título del volumen
Editor
Instituto Colombiano Agropecuario
Resumen
Descripción
En el Centro Nacional de Investigaciones del ICA en Palmira, Valle, se IIevà a cabo un ensayo
para observar Ia respuesta en peso de novillas para producciôn de leche de 14 meses de edad y
un peso inicial promedio de 235 kg, a Ia oferta de pasto Elefante (Merker 534) y pasto Estrella (Cvnodon nenfluensis), con suplemento concentrado y gallinaza-miel-urea como fuentes de alimentación.
El ensayo se realizo durante 112 días más 28 días usados como periodo preliminar, con dos sistemas de manejo (Confinamiento A vs. Pastoreo B) y tres dietas experimentales formadas por concentrado para los grupos testigos (1-4), gallinaza-miel para los grupos (2-5), gallinaza-miel-urea para
los grupos (3-6). Al cabo del tiempo experimental las ganancias para los grupos (1-4) testigos de
los sistemas A y B fueron .614 y .641 kg, los grupos (2-5) dentro de los sistemas obtuvieron ganancias de .503 y .460 kg y los grupos (3-6) obtuvieron ganancias de .438 y .436 kg encontrándose diferencias estadísticas (P<0.01) al empleo de las dietas 1 versus 2 y 3,4 versus 5 y 6, no así entre
los grupos testigos ni entre los sistemas. El consumo de materia seca para los diferentes grupos
se encuentra dentro de rangos normales, siendo el consumo de nutrientes ligeramente inferior para
los animales en pastoreo. Al análisis de los datos se concluye que el empleo de los subproductos
como gallinaza, melaza o urea en reemplazo parcial del concentrado representa economía aceptable y las ganancias de los animales/dia están por encima de .430 kg usando forrajes de baja calidad.
In National Research Center at ICA Palmira-Valley an experiment was conducted in order to asses the weight gain in dairy heifers with 14 months old and 235 kg of weight. Animals had Elephant grass (Merker 534) and Star grass (Cvnodon nenjlue,o.is) as forage and concentrate, chicken manure, molasses and urea as supplement. The experiment took 112 days plus 28 days as preliminary peniod Diets used in the experiment were: concentrate for control groups (1-4), molasses-manure for groups (2-5) and molasses-manure-urea for groups (3-6). At the end of the work the weight gain for (1-4) groups were .614-617 kg and .503-460 kg for groups (2-5) and .438-.436 kg for groups (3-6). Daily gain among diets were statistically diflerent (P<0.01) and no difference was found among control animals. Dry matter consumption for the groups was within normal range and the nutrients consumplion was slightly low in the grazing animals. The main conclusion of the experimental is the use by products as manure-molasses and urea in different percentages of concentrate is a good and economical way to feed dairy heifers
Ganado de leche
Ganadería leche
In National Research Center at ICA Palmira-Valley an experiment was conducted in order to asses the weight gain in dairy heifers with 14 months old and 235 kg of weight. Animals had Elephant grass (Merker 534) and Star grass (Cvnodon nenjlue,o.is) as forage and concentrate, chicken manure, molasses and urea as supplement. The experiment took 112 days plus 28 days as preliminary peniod Diets used in the experiment were: concentrate for control groups (1-4), molasses-manure for groups (2-5) and molasses-manure-urea for groups (3-6). At the end of the work the weight gain for (1-4) groups were .614-617 kg and .503-460 kg for groups (2-5) and .438-.436 kg for groups (3-6). Daily gain among diets were statistically diflerent (P<0.01) and no difference was found among control animals. Dry matter consumption for the groups was within normal range and the nutrients consumplion was slightly low in the grazing animals. The main conclusion of the experimental is the use by products as manure-molasses and urea in different percentages of concentrate is a good and economical way to feed dairy heifers
Ganado de leche
Ganadería leche
Palabras clave
Ganadería - L01, Agroindustria - E21, Novilla, Agroindustria, Producción lechera, Subproductos, Análisis de costos, Ganadería y especies menores