Additives and storage time for silage of pineapple crop waste

Abstract The objective of this work was to evaluate the effects of additives and storage time on the quality and aerobic deterioration of silages of pineapple crop waste. A completely randomized design was used, in a 3×3 factorial arrangement, with three treatments: pineapple waste silage without ad...

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Veröffentlicht in:Pesquisa agropecuaria brasileira 2023-01, Vol.58
Hauptverfasser: Freitas, Roberta Santos de, Guim, Adriana, Mello, Alexandre Carneiro Leão de, Ferreira, Marcelo de Andrade, Clemente, João Vitor Fernandes, Silva, Salmo Olegário Lima da, Farias, Lucas Lemos de, Medeiros, Rodrigo Barbosa de, Silva, Tomás Guilherme Pereira da, Silva, Pedro Henrique Ferreira da
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Sprache:eng
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Zusammenfassung:Abstract The objective of this work was to evaluate the effects of additives and storage time on the quality and aerobic deterioration of silages of pineapple crop waste. A completely randomized design was used, in a 3×3 factorial arrangement, with three treatments: pineapple waste silage without additives or with the addition of cornmeal or wheat bran (20% fresh matter) at three storage times (60, 90, and 120 days). After each storage time, losses and aerobic deterioration were quantified, chemical composition was analyzed, and digestibility assays were performed. The storage time of 120 days resulted in higher dry matter losses in all treatments. The additives incremented the dry matter contents of the pineapple-based silages, which went from 182.1 g kg−1 (control silage) to 298.7 and 297.6 g kg−1 (cornmeal and wheat bran, respectively). The control silage with the addition of cornmeal showed the highest dry matter digestibility (739.7 g kg−1) and lowest neutral detergent fiber content (251.9 g kg−1). The production of CO2 started to increase on the first day of air exposure in silages without additives, but only after six days in those with additives. Including cornmeal as an additive in the silage of pineapple crop waste improves its digestibility and reduces its deterioration speed. Resumo O objetivo deste trabalho foi avaliar os efeitos de aditivos e tempos de armazenamento sobre a qualidade e a deterioração aeróbia de silagens de resíduos de cultura do abacaxi. Utilizou-se um delineamento inteiramente casualizado, em arranjo fatorial 3×3, com três tratamentos: silagem de resíduos culturais de abacaxi sem aditivo ou aditivada com fubá de milho ou farelo de trigo (20% da matéria fresca), em três tempos de armazenamento (60, 90 e 120 dias). Após cada tempo de armazenamento, realizaram-se quantificações de perdas e deterioração aeróbia, análises da composição química e ensaios de digestibilidade. O tempo de armazenamento por 120 dias resultou em maiores perdas de matéria seca em todos os tratamentos. Os aditivos incrementaram os teores de matéria seca das silagens à base de abacaxi, que passaram de 182,1 g kg−1 (silagem controle) para 298,7 e 297,6 g kg−1 (fubá de milho e farelo de trigo, respectivamente). A silagem controle adicionada de fubá de milho apresentou maior digestibilidade da matéria seca (739,7 g kg−1) e menor teor de fibra em detergente neutro (251,9 g kg−1). A produção de CO2 aumentou a partir do primeiro dia de exposição ao ar nas silage
ISSN:0100-204X
1678-3921
1678-3921
DOI:10.1590/s1678-3921.pab2023.v58.03211