Summary
Twelve cross-bred (Holstein × Gir) bull calves (11–12 months of age) were divided into two groups and fed over a 90 day period on two levels of leucaena. Animals in Group 1 were offered leucaenaad lib. whilst those in Group 2 received a restricted amount of leucaena plus a mixture of sorghum straw and molasses (75 : 25) fedad lib. Digestibilities of dry matter, crude protein, acid detergent fibre and neutral detergent fibre for leucaena are presented. The live weight gain was significantly (P<0.05) higher in animals fed leucaenaad lib. than in those fed a restricted amount of the forage. The animals did not show any symptoms of toxicity during the experimental period.
Résumé
Douze taurillons métis (Holstein × Gir) âgés de 11 à 12 mois ont été divisés en deux groupes et nourris pendant 90 jours avec deux rations différentes mais à base deLeucaena. Les animaux du premier groupe ont disposéad libitum de ce fourrage alors que ceux du second groupe n'en recevaient qu'une quantité limitée avec en plus,ad libitum, un mélange de paille de sorgho et de mélasse dans l'ordre de 75/25. Les digestibilités de la matière sèche, des protéines brutes, de la fibre soluble dans un détergent acide et dans un détergent neutre sont données.
Le gain de poids vif a été significativement (P<0,05) plus élevé chez les animaux ayant seulement reçu,ad libitum, duLeucaena que chez ceux nourris avec une quantité limité de ce fourrage. Aucun animal n'a présenté de symptômes de toxicité durant toute l'expérience.
Resumen
Se repartieron doce toretes cruzados (Holstein-Gir) de 11 a 12 meses de edad, en dós grupos experimentales, los cuales recibieron durante 90 dias dós niveles distintos de leucaena. A los animales del Grupo 1 se les suministró leucaenaad libitum, y a los del Grupo 2, una cantidad restringida de leucaena con una mézcla de sorgo, heno y melaza (75 : 25) tambienad libitum. Se presentan en este trabajo, la digestibilidad de materia seca, proteina cruda, fibra ácida detergente y fibra neutra detergente para leucaena. La ganancia de peso vivo fue significativamente (P<0.05) más alta en animales alimentados con leucaenaad libitum que en aquellos alimentados con una cantidad restringida de forraje. Los animales no presentaron sintomas de toxicidad en el experimento.
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Sobale, B.N., Kharat, S.T., Prasad, V.L. et al. Nutritive value ofLeucaena leucocephala for growing bull calves. Trop Anim Health Prod 10, 237–241 (1978). https://doi.org/10.1007/BF02235352
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DOI: https://doi.org/10.1007/BF02235352