Viabilidade técnica da utilização da silagem de erva-palha (blainvillea latifolia) para alimentação de ruminantes

• Ano de defesa: 2020
• Autor(a) principal: Santos, Osmario Marques
• Orientador(a): Muni, Evandro Neves
• Tipo de documento: Dissertação
• Tipo de acesso: Acesso aberto
• Idioma: por
• Programa de Pós-Graduação: Pós-Graduação em Zootecnia
• Palavras-chave em Português: Zootecnia; Ruminante; Biomassa; Nutrição animal; Forragem
• Palavras-chave em Inglês: Alternative forage; animal nutrition
• Área do conhecimento CNPq: CIENCIAS AGRARIAS::ZOOTECNIA
• Link de acesso: https://ri.ufs.br/jspui/handle/riufs/14673

The aim of this work was to evaluate the technical feasibility of erva-palha (Blainvillea latifolia) biomass as an alternative roughage in the feeding of ruminants. For this purpose, there were measured the agronomic characteristics of the species. The bromatological characteristics of the raw material and the erva-palha silage submitted to pre-drying strategies (0, 24 and 48 hours) were analyzed and evaluated the apparent digestibility of diets containing different levels of substitution (0, 33 66 and 100%) of the bulky corn silage by erva-palha silage offered to sheep. Under the conditions of the present study, it was observed an average height of erva-palha plants of 1.72 meters, population of 458,000 plants per hectare and production of 6,800 kg/ha of dry matter being 1001 kg corresponding to crude protein. The fermentative characteristics varied according to the ensiling time, but there were no differences between the pre-drying treatments. In the evaluation of consumption and apparent digestibility, the treatments with 33 and 66% inclusion of erva-palha silage in the roughage fraction, had apparent digestibility of bromatological components similar to the treatment with corn silage as exclusive roughage. In view of the observed, the use of erva-palha biomass has the potential to integrate diets as part of the fraction of bulky food for ruminants.