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Soybean whole-plant ensiled with chitosan and lactic acid bacteria: Microorganism counts, fermentative profile, and total losses

Gandra, J.R. ; Takiya, C.S. ; Del Valle, T.A. ; Oliveira, E.R. ; de Goes, R.H.T.B. ; Gandra, E.R.S. ; Batista, J.D.O. ; Araki, H.M.C.

Journal of dairy science, 2018-09, Vol.101 (9), p.7871-7880 [Periódico revisado por pares]

United States: Elsevier Inc

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  • Título:
    Soybean whole-plant ensiled with chitosan and lactic acid bacteria: Microorganism counts, fermentative profile, and total losses
  • Autor: Gandra, J.R. ; Takiya, C.S. ; Del Valle, T.A. ; Oliveira, E.R. ; de Goes, R.H.T.B. ; Gandra, E.R.S. ; Batista, J.D.O. ; Araki, H.M.C.
  • Assuntos: Animal Feed ; Animals ; Brazil ; chitin ; Chitosan ; Fermentation ; Glycine max ; Lactic Acid ; Lactobacillales ; Lactobacillus - growth & development ; Lactobacillus plantarum ; legume silage ; Propionibacterium acidipropionici ; Rumen - metabolism ; Silage ; Zea mays
  • É parte de: Journal of dairy science, 2018-09, Vol.101 (9), p.7871-7880
  • Notas: ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
    content type line 23
  • Descrição: Chitosan is a biopolymer derived from chitin deacetylation, present in the exoskeleton of crustaceans and insects. Chitosan has been evaluated as rumen modulator and silage additive due to its antimicrobial properties. The objective of this study was to determine the effects of both chitosan and a bacterial additive on microbiological quality, chemical composition, nutrient in vitro degradation, fermentative profile, and total losses of whole-soybean plant silage (SS) harvested at R6 stage. Four treatments in a factorial arrangement were randomly assigned to 40 experimental minisilos as no additives (CON), 8 g/t fresh forage of microbial inoculant (INO; Kera SIL, Kera Nutrição Animal, Bento Gonçalves, Brazil); 5 g/kg of fresh forage chitosan (CHI); and CHI + INO. Microbial inoculant was composed of Lactobacillus plantarum (4.0 × 1010 cfu/g) and Propionibacterium acidipropionici (2.6 × 1010 cfu/g). The CHI and INO alone increased counts of lactic bacteria and anaerobic bacteria and decreased counts of mold and yeast in SS. The CHI or INO alone increased in vitro degradation of dry matter, crude protein, and neutral detergent fiber, and decreased nonfiber carbohydrate content of SS. Chitosan increased NH3-N and lactate concentrations and decreased ethanol concentration in SS. The CHI increased dry matter recovery from SS; INO increased silage aerobic stability. The combination of CHI+INO showed the lowest value of gas losses. In general, the combination of CHI and INO had small positive effects on gas losses of SS; however, both CHI or INO alone improved nutrient in vitro degradation and decreased mold and yeast in SS. Chitosan or INO utilization improves SS quality.
  • Editor: United States: Elsevier Inc
  • Idioma: Inglês
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