High-moisture corn grain silage inoculated with Propionibacterium acidipropionici and Lactobacillus plantarum in different storage times





Enterobacteria; Microbial additive; pH; Stability.


The aim of this study was to evaluate the chemical composition, growth of microorganisms, and the aerobic stability of high-moisture corn grain silage inoculated with Lactobacillus plantarum + Propionibacterium acidipropionici. The experimental design was completely randomized in a 2 x 5 factorial arrangement with four replications (50 experimental units)  and the treatments were: use or not of microbial inoculant (2 x 105 colony forming unit (CFU) g-1 Lactobacillus plantarum + Propionibacterium acidipropionici) and the storage length for 0, 1, 3, 7, and 14 d. Aerobic stability of silage was evaluated at 28 and 56 d of storage length. The lactic acid bacteria population was influenced by storage length and the greatest values were estimated at 8 d of storage length. Regardless of inoculant application, no enterobacteria were present from 3 d post-ensiling. With respect to mold growth, an interaction between inoculant and storage length was observed wherein molds were most abundant after 3 d of storage in silage that received inoculant. However, at 14 d of storage the use of bacterial inoculant reduced the occurrence of molds. pH values obtained after 3 d of ensiling were less than 4.0 for all the treatments. The high-moisture corn grain silage possessed good fermentative quality. Further, adequate pH values were achieved from the third day of ensilage and were not influenced by the presence of bacterial inoculant.


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How to Cite

FRANK, R. .; NERES, M. A. .; FERNANDES, T.; SCHÖNE, R. A.; AVILA, A. S. de .; CIRILO, E. H. .; ROHLOFF JUNIOR, N.; KAUFMANN, C.; POLESE, C.; CAMPOS, F. P. .; TESSER, G. L. S. .; KOHLER, T. L. .; SOUZA, C.; SANTOS, N. C. C. .; COSTA, A. P. G. C. .; NUNES, R. V. . High-moisture corn grain silage inoculated with Propionibacterium acidipropionici and Lactobacillus plantarum in different storage times. Research, Society and Development, [S. l.], v. 10, n. 1, p. e0410110371, 2021. DOI: 10.33448/rsd-v10i1.10371. Disponível em: https://rsdjournal.org/index.php/rsd/article/view/10371. Acesso em: 27 jan. 2021.



Agrarian and Biological Sciences