Chemical characteristics of silages of mango (Mangifera indica L.) byproducts for animal feeding


Abstract


The chemical characteristics of six silages based on agro-industrial residues and mango residues were assessed with the addition of two
levels of maize stubble, molasses and agricultural urea. A factorial scheme 2 x 6 x 6 was applied with two replicates per treatment. The
factors assessed were the season (June-August 2009), the silages time (0, 7, 14, 21, 42 and 84 d) and six types of silages. Three of the
micro-silos were made with mature fruit discarded for human consumption, and other three with mango industrial by-products (mainly
the peel and seed). All the silages had maize (10 and 20 %), with or without molasses and urea. Any interaction was significant for the
concentration of NDF and CP of the micro-silos. However, the OM, ADF and lignin were influenced by the interaction additive x day and season x additive x day. The use of silages with discarded mature mangos, as well as those elaborated with industrial by-products of mango for animal feeding, especially ruminants, is suggested. Adding maize stubble between 10 and 20 %, apart from agricultural urea and sugarcane molasses, with 3 and 2 % of inclusion in dry basis is also recommended. These silages should be assessed in performance
tests applied to ruminants.
Key words: silage, mango waste, chemical composition

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