Effects of Lactic Acid Bacteria on Fermentation and Nutritional Value of BRS Capiaçu Elephant Grass Silage at Two Regrowth Ages
2025
Daiana Lopes Lelis | Mirton José Frota Morenz | Domingos Sávio Campos Paciullo | João Paulo Santos Roseira | Carlos Augusto de Miranda Gomide | Odilon Gomes Pereira | Jackson Silva e Oliveira | Fernando Cesar Ferraz Lopes | Vanessa Paula da Silva | Tâmara Chagas da Silveira | Fernanda Helena Martins Chizzotti
The objective of this study was to evaluate the effects of lactic acid bacteria inoculation on the fermentation profile and nutritional value of BRS Capiaç:u elephant grass silages harvested at two regrowth ages. The treatments were arranged in a 5 ×: 2 factorial scheme, with five inoculants (I) and two regrowth ages (A, 90 and 105 days), in a completely randomized design, with three replicates. There were I ×: A interactions (p <: 0.05) on pH, acetic acid, and water-soluble carbohydrates. The silage treated with Kera-Sil showed a lower pH compared with the control silage. The highest ammonia nitrogen content was recorded in the silage treated with Yakult®:. There were I ×: A interactions (p <: 0.05) on the dry matter (DM) content, neutral detergent fiber (NDF), and in vitro digestibility of DM (IVDMD) and NDF (IVNDFD). Silages treated with Kera-Sil and Silo-Max at 90 days of regrowth showed a higher DM and higher IVDMD (p <: 0.05). A higher NDF content and lower IVDMD and IVNDFD were recorded in silages produced with grass harvested at 105 days of regrowth (p <: 0.05). The use of commercial microbial inoculants improved the fermentative and nutritional parameters of the silages.
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