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Revista mexicana de ciencias pecuarias
On-line version ISSN 2448-6698Print version ISSN 2007-1124
Abstract
RODRIGUEZ-SERRANO, Andrés Camilo et al. Mineral evaluation of the components of the intensive silvopastoral system with Leucaena leucocephala in three seasons of the year. Rev. mex. de cienc. pecuarias [online]. 2021, vol.12, n.3, pp.893-909. Epub Mar 14, 2022. ISSN 2448-6698. https://doi.org/10.22319/rmcp.v12i3.5431.
A mineral evaluation of the components of the intensive silvopastoral system, soil, drinking water, forage (Leucaena leucocephala, Megathyrsus maximus) and blood serum of calves and dairy cows was performed. Three samplings were carried out in the cold, dry and rainy seasons. Cu, Fe, Zn, Ca, Mg, K, Na and P were determined and analyzed. Elevated levels of Fe, Ca, K and Mg were found in the soil, while minerals from drinking water remained within adequate ranges, with the exception of Fe (0.61 and 0.57 mg kg-1) at the ranches El Vivero and Los Huarinches, respectively. The concentration of Ca, Mg, K and Na was higher in Leucaena leucocephala than in Megathyrsus maximus, while the content of Cu (6.16 and 5.66 mg kg-1), Zn (17.9 and 24.4) and P (2,584.5 and 2,682.8 mg kg-1) in both ranches do not meet the requirements of the cows, which could generate low levels of these elements in blood serum, in both cows and calves: Cu (0.64 and 0.54 mg kg-1), Zn (0.74 and 0.60 mg kg-1) and P (49.24 and 39.43 mg kg-1), respectively.
Keywords : Minerals; Animal nutrition; Megathyrsus maximus; Agroforestry; Silvopastoral system.