Abstract
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.
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Claims 7
Claim · model-written summary
Glycerine inclusion linearly reduced neutral detergent fibre in sugarcane silage.
Not reportedComparator
Verbatim
t0“sugarcane silage”
e0“The linear reduction in neutral detergent fibre caused by glycerine inclusion was probably due to a dilution effect”
Claim · model-written summary
The LH treatment increased the concentrations of succinic, acetic and propionic acids in sugarcane silage.
- Taxon
- sugarcanet0
- Treatment
- LHe0
- Outcome
- concentrations of the succinic, acetic and propionic acidse0
- Direction
- increasede0
Not reportedComparator
Verbatim
t0“sugarcane silage”
e0“The LH treatment increased the concentrations of the succinic, acetic and propionic acids”
Claim · model-written summary
The LH treatment increased 1,2-propanediol in sugarcane silage.
Not reportedComparator
Verbatim
t0“sugarcane silage”
e0“The LH treatment increased the concentrations of the succinic, acetic and propionic acids”
e1“propanediol”
Claim · model-written summary
The LH treatment reduced the yeast population in sugarcane silage.
Not reportedComparator
Verbatim
t0“sugarcane silage”
e0“The LH treatment increased the concentrations of the succinic, acetic and propionic acids”
e2“reduced the yeast population”
Claim · model-written summary
The LH + PM treatment with 12% glycerine increased DM loss of sugarcane silage.
Not reportedComparator
Verbatim
t0“sugarcane silage”
e3“The LH + PM treatment increased DM loss of sugarcane silage with 12% glycerine”
Claim · model-written summary
L. hilgardii CCMA 0170 reduced DM loss in sugarcane silage compared with silage without additives.
Verbatim
t0“sugarcane silage”
e4“with 12% glycerine and L. hilgardii CCMA 0170”
e5“reduced the DM loss when compared to the silage without additives”
Claim · model-written summary
The P. methanolica treatment did not reduce methanol concentration in sugarcane silage under the conditions of the experiment.
- Taxon
- sugarcanet0
- Treatment
- P. methanolicae6
- Interactor
- P. methanolicaOgataea methanolicae6other
- Outcome
- methanol concentratione6
- Direction
- did not reducee6
- Qualifier
- Under the conditions of the experimente6
Not reportedComparator
Verbatim
t0“sugarcane silage”
e6“Under the conditions of the experiment, the P. methanolica treatment did not reduce the methanol concentration in silage”