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Revista mexicana de ciencias pecuarias
On-line version ISSN 2448-6698Print version ISSN 2007-1124
Abstract
SOUTO, Diego da Hora et al. Supplementation of goats with mesquite pod meal in deferred (Urochloa mosambicenses) grass pasture in the semiarid region. Rev. mex. de cienc. pecuarias [online]. 2023, vol.14, n.3, pp.523-538. Epub Sep 08, 2023. ISSN 2448-6698. https://doi.org/10.22319/rmcp.v14i3.6122.
Supplementation emerges as a simple strategy to improve animal productivity in systems that adopt deferred grass pasture as the basic diet. This study aimed to evaluate the effect of levels of supplementation of mesquite pod meal on intake, digestibility of nutrients, and body weight (BW) gain of goats in grazing deferred. Thirty-five (35) goat males (24.0 ± 2.9 kg BW) were distributed in a completely randomized design, with five treatments and seven replications. Treatments constituted a supplement control (0.05% BW of protein-mineral salt) and increasing levels at 0.5; 1.0; 1.5, and 2.0% BW of supplementation with mesquite pod meal. Dry matter intake and nutrients of the forage and total diet increased linearly (P<0.0001) as a function of the levels of the supplement. A quadratic effect was observed (P<0.0001) for the digestibility variables, except for ethereal extract and non-fiber carbohydrates, which presented an increasing linear effect (P<0.0001). Supplementation levels increased linearly on the performance variables (P<0.05). It is recommended the concentrate supplementation at 2.0% BW with mesquite pod meal at 30 % in its composition for promoting the reduction of the productive cycle of goats in deferred Urochloa grass pastures.
Keywords : Alternative supplementation; Animal production; Pasture management; Prosopis juliflora; Semiarid; Weight gain.