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metadata.artigo.dc.title: Methylotrophic yeast, lactic acid bacteria and glycerine as additives for sugarcane silage
metadata.artigo.dc.creator: Carvalho, B. F.
Ávila, C. L. S.
Pereira, M. N.
Schwan, R. F.
metadata.artigo.dc.subject: Pichia methanolica
Lactobacillus hilgardii
Organic acids
Dry‐matter loss
Sugarcane silage
Ácidos orgânicos
Perda de matéria seca
Silagem de cana
metadata.artigo.dc.publisher: British Grassland Society Jun-2017
metadata.artigo.dc.identifier.citation: CARVALHO, B. F. et al. Methylotrophic yeast, lactic acid bacteria and glycerine as additives for sugarcane silage. Grass and Forage Science, Oxford, v. 72, n. 2, p. 355-368, June 2017.
metadata.artigo.dc.description.abstract: The ensiling of sugarcane results in high dry‐matter (DM) loss, but the addition of glycerine may compensate for the loss during ensiling. Methanol is the most undesirable contaminant of crude glycerine destined for animal feeding. The aim of this study was to evaluate the ability of the yeast strain Pichia methanolica NCYC 1381 to reduce the methanol concentration in sugarcane silage inoculated with Lactobacillus hilgardii CCMA 0170 + glycerine. A randomized design consisted of four dose rates of glycerine (0, 4, 8 and 12% of fresh forage), three periods of silage fermentation (11, 34 and 68 d) and three combinations of microbial additives [L. hilgardii (LH), L. hilgardii plus P. methanolica (LH + PM) and without microbial additive (WI)]. The DM of the fresh sugarcane was 275 g kg−1. The linear reduction in neutral detergent fibre caused by glycerine inclusion was probably due to a dilution effect. The LH treatment increased the concentrations of the succinic, acetic and propionic acids, and 1,2‐propanediol, and reduced the yeast population. The LH + PM treatment increased DM loss of sugarcane silage with 12% glycerine and L. hilgardii CCMA 0170 (6·1 log cfu g−1 of FM) reduced the DM loss when compared to the silage without additives. Under the conditions of the experiment, the P. methanolica treatment did not reduce the methanol concentration in silage.
metadata.artigo.dc.language: en_US
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