Ensiling of soybean curd residue and wet brewers grains with or without other feeds as a total mixed ration

F. Wang, Naoki Nishino

Research output: Contribution to journalArticle

46 Citations (Scopus)

Abstract

Wet brewers grains and soybean curd residue were stored in laboratory-scale silos without (BG and SC silages, respectively) or with other ingredients as total mixed rations (BGT and SCT silages, respectively). Silages were opened after 14 and 56 d, and microbial counts, fermentation products, and aerobic stability were determined. Denaturing gradient gel electrophoresis was carried out to examine bacterial communities, and several bacteria that appeared to be involved in fermentation were identified. Lactic acid content was greater in SCT than in BGT silage, but lower in SC than in BG silage. Ethanol content was greater in BG than in SC regardless of silage type. Aerobic deterioration occurred promptly in ensiling materials (nonensiled by-products and total mixed ration mixtures) and in silages stored alone; however, SCT and BGT silages resisted deterioration and no heating was found for more than 5.5 d regardless of storage period. Silages were stable even with high yeast populations at silo opening, whereas prolonged ensiling decreased yeast counts in the 2 total mixed ration silages. The denaturing gradient gel electrophoresis profiles appeared similar between SCT and BGT silages but not between SC and BG silages. Weissella spp. and Lactobacillus brevis were common in aerobically stable SCT and BGT silages, and Lactobacillus buchneri was detected only in BGT silage. Both L. brevis and L. buchneri were found in silage but not in ensiling materials. Several other lactic acid bacteria were also identified in SCT and BGT silages, but did not appear to be related to fermentation and aerobic stability.

Original languageEnglish
Pages (from-to)2380-2387
Number of pages8
JournalJournal of Dairy Science
Volume91
Issue number6
DOIs
Publication statusPublished - Jun 2008

Fingerprint

brewers grains
tofu
Silage
silage making
total mixed rations
Soybeans
silage
Lactobacillus brevis
Lactobacillus buchneri
Fermentation
Denaturing Gradient Gel Electrophoresis
fermentation
denaturing gradient gel electrophoresis
Lactic Acid
Weissella
Yeasts
deterioration
yeasts
Bacteria
Lactobacillus

Keywords

  • By-product
  • Denaturing gradient gel electrophoresis
  • Silage
  • Total mixed ration

ASJC Scopus subject areas

  • Animal Science and Zoology
  • veterinary(all)
  • Food Science

Cite this

Ensiling of soybean curd residue and wet brewers grains with or without other feeds as a total mixed ration. / Wang, F.; Nishino, Naoki.

In: Journal of Dairy Science, Vol. 91, No. 6, 06.2008, p. 2380-2387.

Research output: Contribution to journalArticle

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