Abstract
Effect of Addition of Liquid or Dry Inoculant of Lactic Acid Bacteria Containing Different Starches on the Fermentation Quality and in Vitro Nutrient Digestibility of King Grass Silage
Highlights
Ensiling is a common preservation method for moist forage crops
Our results showed that silage treated with Lactic acid bacteria (LAB) inoculants B, C, D, and E had lower (P < 0.01) pH, NH3-N, and total volatile fatty acids (VFAs) concentrations than those of the control silage (A)
Chemical Composition of Silages The moisture content of silage material plays an important role in silage fermentation, because moisture is required by LAB for metabolic reactions, and because it has a significant effect on the initial level and transport of oxygen during the ensilage process (Troller and Stinson, 1981)
Summary
Ensiling is a common preservation method for moist forage crops. It is based on the anaerobic fermentation of water-soluble carbohydrates into lactic acid and volatile fatty acids (VFAs) by lactic acid bacteria (LAB). Inoculated silages with LAB can result in a faster decrease in pH, lower final pH values, higher lactic acid: acetic acid ratios, lower ethanol, lower ammonia nitrogen, and increased nutrient digestibility (Yahaya et al, 2004; Santoso et al, 2015; Wang et al, 2018). The present study was carried out to develop dry LAB inoculant preparation methods, and to evaluate the nutritive value, fermentation characteristics, and in vitro nutrient digestibility of king grass silage treated with liquid or dry LAB inoculant containing different starch
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