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Revista Brasileira de Zootecnia

Print version ISSN 1516-3598On-line version ISSN 1806-9290


BERNARDES, Thiago Fernandes et al. Aerobic stability of total mixed ration and marandugrass silage using microbial or chemical additive. R. Bras. Zootec. [online]. 2007, vol.36, n.4, pp.754-762. ISSN 1516-3598.

This research evaluated the inclusion of chemical additive and the inoculation with homo and heterofermentative bacteria on the aerobic stability of the Marandu grass silages and on the total mixed ration (TMR). It was conducted three experiments to evaluate sodium benzoate and two inoculants: 1. Lactobacillus plantarum + Propionibacterium and; 2. Lactobacillus buchneri. The silos were opened after 60 days of fermentation; the silages and the TMR containing the silages were placed in a polystyrene box, and transferred to a climatic chamber kept at 25 ± 1ºC to determine the temperature changes, dry matter recovery, and pH values. The data were analyzed according to a complete randomized design, in a split plot arrangement. The silages showed DM losses and increasing pH during the air exposure phase. The silages and TMR temperatures showed a slight increase during the six days of air exposure. Bacteria inoculants or sodium benzoate didn't affect the silage aerobic stability.

Keywords : Brachiaria brizantha; inoculant; Lactobacillus buchneri; losses; sodium benzoate.

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