Effect of the Lactiplantibacillus plantarum and Lentilactobacillus buchneri on corn and sorghum silage quality and sheep energy partition under tropical conditions.
2023
PIRES, F. P. A. DE A. | TOMICH, T. R. | PEREIRA, L. G. R. | MACHADO, F. S. | CAMPOS, M. M. | OLIVEIRA, A. F. DE | MENEZES, G. L. | MENEZES, R. A. DE | SOUSA, P. G. DE | JAYME, D. G. | GONÇALVES, L. C. | FREDERICO PATRUS ANANIAS DE ASSIS PIRES, Universidade Federal de Minas Gerais; THIERRY RIBEIRO TOMICH, CNPGL; LUIZ GUSTAVO RIBEIRO PEREIRA, CNPGL; FERNANDA SAMARINI MACHADO, CNPGL; MARIANA MAGALHAES CAMPOS, CNPGL; ALAN FIGUEIREDO DE OLIVEIRA, Universidade Federal de Minas Gerais; GUILHERME LOBATO MENEZES, Universidade Federal de Minas Gerais; RAFAEL ARAÚJO DE MENEZES, Universidade Federal de Minas Gerais; PAMELLA GROSSI DE SOUSA, Universidade Federal de Minas Gerais; DIOGO GONZAGA JAYME, Universidade Federal de Minas Gerais; LÚCIO CARLOS GONÇALVES, Universidade Federal de Minas Gerais.
This study aimed to evaluate the silage quality, ingestive behaviour, and sheep energy partition fed corn and sorghum silages, with or without inoculation with Lactiplantibacillus plantarum and Lentilactobacillus buchneri. Whole plants of one dent corn hybrid (DCS), one flint corn hybrid (FCS), and one forage sorghum hybrid (SS) were ensiled with or without an inoculant containing L. plantarum and L. buchneri (4?×?105?CFU?g?1), totalling six treatments (3?×?2 factorial scheme). The treatments were ensiled in metal drums with 200?L capacity. The lactic acid concentrations in the inoculated FCS and DCS were higher by 13.4% and 12.8%, respectively, than those in the non-inoculated plants. In contrast, the lactic acid concentration in the inoculated SS was 23.1% lower than that in the non-inoculated SS. Furthermore, there were differences in pH and acetic acid concentrations only in SS, which were 2.3% and 45.2% higher, respectively, in inoculated silage than in non-inoculated silage. In inoculated DCS and SS, propionic acid concentrations were 1.7 times higher (for both silages), and 1-propanol was 3.7 and 1.8 times higher compared than those in non-inoculated silages. There was a main effect of the inoculant on 1,2-propanediol concentrations, which were 37.5% higher in inoculated silages than in non-inoculated silages. However, ingestive behaviour, heat and methane production, and silage net energy concentrations were not affected by inoculant use. Fermentative modifications caused by inoculation with L. plantarum and L. buchneri in whole plant corn or sorghum silage did not modify sheep energy partition.
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