Fermentation and Nutritive Value of Pineapple Stubble Silage Supplemented with Leucaena Hay

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Abstract
The increase in pineapple production has generated a large amount of waste, which, when incorporated into the soil, can lead to contamination and environmental degradation. In this context, this study highlights the innovative combination of pineapple waste and Leucaena hay, offering benefits for animal nutrition while reducing input costs. The objective of this study was to determine the nutritional value of silage from ‘Pérola’ pineapple waste (PS) with different levels of Leucaena hay. A completely randomized design was adopted with six treatments (pre-wilted PS and PS with 0%, 10%, 20%, 30%, and 40% inclusion of Leucaena hay (LH)). The dry matter content of the silage, crude protein, lignin, and pH increased linearly (p < 0.05) as a function of the inclusion of Leucaena hay, while buffering capacity, soluble carbohydrate content, and effluent losses showed an inverse relationship. As LH levels increased, ruminal DM disappearance decreased. Wilting the pineapple plant did not alter the in vitro gas production, in vitro digestibility of organic matter, partition factor (PF), and methane production when compared to the silages added with Leucaena hay. It is recommended to add 20% Leucaena hay in PS silage.
Funding Information
  • Coordination for the Improvement of Higher Education Personnel (CAPES-Brazil) (001)

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