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Effect of 3-Phenyllactic Acid and 3-Phenyllactic Acid-Producing Lactic Acid Bacteria on the Characteristics of Alfalfa Silage

Author

Listed:
  • Zhe Wu

    (College of Grassland Science and Technology, China Agricultural University, Beijing 100093, China)

  • Shengyang Xu

    (College of Grassland Science and Technology, China Agricultural University, Beijing 100093, China)

  • Ying Yun

    (College of Grassland Science and Technology, China Agricultural University, Beijing 100093, China)

  • Tingting Jia

    (College of Grassland Science and Technology, China Agricultural University, Beijing 100093, China)

  • Zhu Yu

    (College of Grassland Science and Technology, China Agricultural University, Beijing 100093, China)

Abstract

In this study, an experiment was performed to evaluate the effect of lactic acid bacteria and 3-phenyllactic acid (PLA) on the fermentation quality and chemical composition of alfalfa silage. Several PLA-tolerant strains were screened from silages and identified. The selected strains (1 × 10 6 colony forming units/g fresh alfalfa) and PLA (1.0, 2.0, or 3.0 g/kg) were applied to alfalfa before ensiling. After 45 days of storage, the silages were unsealed and subjected to component analysis. Biochemical methods and 16S rDNA gene sequencing were used for the identification of the two strains as Lactobacillus plantarum . The characteristics of chemical and fermentation compounds indicated that PLA and the two strains efficiently improved the quality of the alfalfa silage. It can be concluded that the use of the strains and PLA can significantly improve the quality of silage.

Suggested Citation

  • Zhe Wu & Shengyang Xu & Ying Yun & Tingting Jia & Zhu Yu, 2019. "Effect of 3-Phenyllactic Acid and 3-Phenyllactic Acid-Producing Lactic Acid Bacteria on the Characteristics of Alfalfa Silage," Agriculture, MDPI, vol. 10(1), pages 1-11, December.
    • Handle: RePEc:gam:jagris:v:10:y:2019:i:1:p:10-:d:303757
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    Cited by:

    1. Run Gao & Bing Wang & Tingting Jia & Ying Luo & Zhu Yu, 2021. "Effects of Different Carbohydrate Sources on Alfalfa Silage Quality at Different Ensiling Days," Agriculture, MDPI, vol. 11(1), pages 1-13, January.

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