Live weight evaluation of grazing bulls, supplemented with Cenchrus, Moringa silage, a starchy source and VITAFERT®

J. Iraola, R. Rodriguez, A. Elías, Yenny García, J. L. Fernández

Abstract


The supplementation with Cenchrus, Moringa silage, a starchy source and VITAFERT®, was evaluated in the weight gain of bulls finished in grazing of tropical grasses and herbaceous legumes during the dry season. Sixteen Holstein x Cebu bulls were selected, distributed in two groups of eight animals, according to a completely randomized design. A control group, with grazing and 4 kg.animal-1.d-1 of forage, and the other group with grazing and 4 kg.animal-1.d-1 of silage. There was difference (P <0.05) for the average daily gain, in favor of silage treatment. A closer relation was observed in the treatment with silage in the correlation Total Nitrogen: Metabolizable Energy in the contribution of the diet. It is concluded that the animals that intake silage showed a better productive performance during the evaluated period with ADG of 703 g.
Key words: tropical livestock, fattening cattle, grazing, average daily gain.

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