Effect of lactic acid bacteria on the nutritive value and in vitro ruminal digestibility of maize and rice straw silage

Tabita Dameria Marbun, Kihwan Lee, Jaeyong Song, Chan Ho Kwon, Duhak Yoon, Sang Moo Lee, Jungsun Kang, Chanho Lee, Sangbuem Cho, Eun Joong Kim

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9 Scopus citations

Abstract

A study was conducted to determine the effects of lactic acid bacteria (LAB) on nutritive value and in vitro rumen digestibility of maize and rice straw silages. Two identical experiments were carried out for each of the two silages. A total of five treatments were used for each experiment: (1) negative control (NC); (2) positive control (PC); (3) Lactobacillus plantarum (LPL); (4) L. paracasei (LPA); and (5) L. acidophilus (LA). Each treatment was then divided into four ensiling periods: 3, 7, 20, and 40 days with three replications. The LPL treatment had significantly higher dry matter (DM), lower ammonia-N, and a lower number of fungi on maize silage after 40 days (p < 0.05). On the other hand, the LA treatment increased DM and CP content, reduced NDF and ADF contents compared to NC, and also produced more lactic acid compared to the other LAB-treated rice straw silages. Results of the in vitro rumen fermentation of maize silages showed no significant differences in DMD after LAB inoculation. However, higher DMD and ruminal ammonia-N were shown by rice straw ensiled with L. acidophilus. In conclusion, silage additives, which could improve the ensiling process of maize and rice straw, appeared to be different and substrate specific.

Original languageEnglish
Article number7801
Pages (from-to)1-13
Number of pages13
JournalApplied Sciences (Switzerland)
Volume10
Issue number21
DOIs
StatePublished - 1 Nov 2020

Keywords

  • Lactic acid bacteria
  • Maize
  • Rice straw
  • Silage

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