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|Title: ||Aerobic stability of sugar-cane silage inoculated with tropical strains of lactic acid bacteria|
|???metadata.dc.creator???: ||Carvalho, B. F.|
Ávila, C. L. S.
Miguel, M. G. C. P.
Pinto, J. C.
Santos, M. C.
Schwan, R. F.
|Keywords: ||Fermentation products|
Sugarcane - Silages
Lactic acid bacteria
Cana-de-açúcar - Silagem
Produtos de fermentação
Bactéria do ácido lático
|Issue Date: ||Jun-2015|
|Citation: ||CARVALHO, B. F. et al. Aerobic stability of sugar-cane silage inoculated with tropical strains of lactic acid bacteria. Grass and Forage Science, Oxford, v. 70, n. 2, p. 308-323, June 2015.|
|Abstract: ||Aerobic stability is an important feature in the evaluation of silages. The aims were to investigate the chemical and microbiological changes that occur in sugar-cane (Saccharum spp.) silage after aerobic exposure, to identify the major species of yeasts associated with the aerobic deterioration process and to select lactic acid bacteria (LAB) strains that can improve the aerobic stability of this silage. Fourteen wild LAB strains belonging to Lactobacillus plantarum, L. brevis and L. hilgardii were evaluated using experimental silos. Silage samples were collected at 0, 96 and 216 h after aerobic exposure to determinate the DM, WSC, pH, products of fermentation, to evaluate the silage temperatures and to identify yeast species associated with the aerobic deterioration of silage. The strains tested were able to modify the fermentative and chemical parameters and the diversity of yeasts species of silage after aerobic exposure. There was no association between the facultative or obligatory heterofermentative fermentation patterns and the increased aerobic stability of silage. Aerobic stability of sugar-cane silages was associated with high acetic acid and 1,2-propanediol concentrations. L. hilgardii UFLA SIL51 and UFLA SIL52 strains promoted an increase in aerobic stability of silage.|
|Appears in Collections:||DZO - Artigos publicados em periódicos|
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