Author(s): SAMIRAMYS, G.; BRITO, M. da S.; SANTOS, E. M.; ARAUJO, G. G. L. de; OLIVEIRA, J. S. de; ZANINE, A. de M.; PERAZZO, A. F.; CAMPOS, F. S.; LIMA, A. G. V. de O.; CAVALCANTI, H. S.

Summary: The present study aimed to evaluate the chemical composition, profle and fermentative losses, microbial population and the aerobic stability of mixed silages of cactus pear and gliricidia. The treatments corresponded to the addition levels of gliricidia (Gliricidia sepium (Jacq.) Steud), in the silages of cactus pear (Opuntia fcus indica Mill.), at ratios 0%, 25%, 50%, 75% and 100% gliricidia. The data were subjected to analysis of variance and regression to evaluate the efect of the addition levels of gliricidia. The average related to the opening days were compared by the Tukey?s test and the average hours of exposure to air were compared by the Student?s t-test. The addition of gliricidia in cactus pear silage provided a linear increasing efect for pH, crude protein (CP), neutral detergent fbre (NDF), acid detergent fbre (ADF), acid detergent lignin (ADL), neutral detergent insoluble protein (NDIP), and increased aerobic stability (AS). The highest dry matter recovery was estimated in the silages with 58% gliricidia. Based on the fermentative, chemical composition and silage losses, all the silages tested were adequate. However, considering aerobic stability, the addition of at least 25% gliricidia is recommended to provide the animal a feed with important quality and high nutritional value.

Publication year: 2020

Types of publication: Journal article

Unit: Embrapa Semi-arid Region

Keywords: Animal nutrition, Composição Química, Gliricidia, Gliricidia maculata, Nutrição Animal, Opuntia, Palma Forrageira, População Microbiana, Ração Balanceada, Ração mista, Silage fermentation, Silagem mista