Fermentation losses and aerobic stability of elephant grass silages containing Parkia platycephala pod meal and urea

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https://doi.org/10.17138/tgft(11)52-60
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Abstract

Fermentation losses and aerobic stability of elephant grass silages with inclusion of 4 levels of Parkia platycephala pod meal (PP) (0, 10, 20 and 30 %) and 2 levels of urea (0 and 1.5 %) on as-fed basis were evaluated. The silages were analyzed for gas and effluent losses, dry matter recovery (DMR), pH and aerobic stability (pH and temperature) to determine effects of interactions between levels of urea and PP on gas losses, dry matter recovery, temperature and pH of the silages. The combination of urea and PP increased gas losses and reduced the DMR. PP reduced effluent losses and urea increased aerobic stability of the silages. pH values decreased with inclusion of PP and increased with use of urea. Silages containing 20 and 30 % PP showed greater stability over time, especially when associated with urea. PP with urea were effective in reducing effluent losses, maintaining DMR and allowing higher aerobic stability, with stability rupture from 40 h with the inclusion of 20 % of PP in elephant grass silages.

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How to Cite

da Costa, L. A., Edvan, R. L., Bezerra, L. R., Jácome, D. L. de S., de Carvalho Neto, J. P., de Sousa, A. R., de Macedo, M. F. A., Medeiros, O. T., Dias-Silva, T. P., & de Araújo, M. J. (2023). Fermentation losses and aerobic stability of elephant grass silages containing Parkia platycephala pod meal and urea. Tropical Grasslands-Forrajes Tropicales, 11(1), 52–60. https://doi.org/10.17138/tgft(11)52-60

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Published

2023-02-01

Issue

Vol. 11 No. 1 (2023): January 2023

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Research Papers

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