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Impact of Cellulase and Lactic Acid Bacteria Inoculant to Modify Ensiling Characteristics and In Vitro Digestibility of Sweet Corn Stover and Cassava Pulp Silage

Author

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  • Chatchai Kaewpila

    (Faculty of Natural Resources, Rajamangala University of Technology Isan, Sakon Nakhon 47160, Thailand)

  • Suwit Thip-uten

    (Faculty of Agricultural Technology, Sakon Nakhon Rajabhat University, Sakon Nakhon 47000, Thailand)

  • Anusorn Cherdthong

    (Faculty of Agriculture, Khon Kaen University, Khon Kaen 40002, Thailand)

  • Waroon Khota

    (Faculty of Agriculture, Khon Kaen University, Khon Kaen 40002, Thailand)

Abstract

Improving the productive performance of agricultural residue silage has practical relevance to sustaining livestock production. Sweet corn stover (SCS) and cassava pulp (CSVP) are widespread in the tropics as low-cost feed resources. To efficiently prepare SCS and CSVP silage, the impact of adding Acremonium cellulase (AC), Lactobacillus casei strain TH14 inoculant (TH14), and their combination (AC+TH14) on ensiling characteristics, microbial population, chemical compositions, and in vitro digestibility were tested in comparison to control (no additive). After 60 d of ensiling, the pH value and ammonia nitrogen content of silage were lower ( p < 0.05) when AC was used as the additive. Compared with other treatments, TH14 provided abundant lactic acid fermentation in silage. All tested additives increased the crude protein (CP) content and decreased the neutral detergent fiber (NDF) content of SCS silage. In CSVP silage, only AC and AC+TH14 altered the CP and NDF content. In addition, AC and AC+TH14 provided greater in vitro dry matter digestibility and a lower in vitro fiber digestibility. Overall, optimized either AC or TH14 can be recommended as an attractive additive to improve the ensiling characteristics of SCS and CSVP silage. AC significantly modifies the in vitro digestibility of silage.

Suggested Citation

  • Chatchai Kaewpila & Suwit Thip-uten & Anusorn Cherdthong & Waroon Khota, 2021. "Impact of Cellulase and Lactic Acid Bacteria Inoculant to Modify Ensiling Characteristics and In Vitro Digestibility of Sweet Corn Stover and Cassava Pulp Silage," Agriculture, MDPI, vol. 11(1), pages 1-12, January.
    • Handle: RePEc:gam:jagris:v:11:y:2021:i:1:p:66-:d:480642
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    References listed on IDEAS

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    1. Kosugi, Akihiko & Kondo, Akihiko & Ueda, Mitsuyoshi & Murata, Yoshinori & Vaithanomsat, Pilanee & Thanapase, Warunee & Arai, Takamitsu & Mori, Yutaka, 2009. "Production of ethanol from cassava pulp via fermentation with a surface-engineered yeast strain displaying glucoamylase," Renewable Energy, Elsevier, vol. 34(5), pages 1354-1358.
    2. Chatchai Kaewpila & Waroon Khota & Pongsatorn Gunun & Piyawit Kesorn & Anusorn Cherdthong, 2020. "Strategic Addition of Different Additives to Improve Silage Fermentation, Aerobic Stability and In Vitro Digestibility of Napier Grasses at Late Maturity Stage," Agriculture, MDPI, vol. 10(7), pages 1-13, July.
    3. Vanessa P. Silva & Odilon G. Pereira & Eliana S. Leandro & Rosinea A. Paula & Mariele C. N. Agarussi & Karina G. Ribeiro, 2020. "Selection of Lactic Acid Bacteria from Alfalfa Silage and Its Effects as Inoculant on Silage Fermentation," Agriculture, MDPI, vol. 10(11), pages 1-14, November.
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