Resumen

MUNOZ-GONZALEZ, Juan Carlos et al. Dry matter production of fodder in Humid Tropical conditions in Mexico. Rev. Mex. Cienc. Agríc [online]. 2016, vol.7, n.spe16, pp.3329-3341. ISSN 2007-0934.

With the objective to determine the production of dry matter (MS) of fodder in a production system of dual purpose cattle in southeastern Mexico, exclusion cages were used to determine: height (ALT), growth rate (TC), accumulated dry weight (PSA) and annual production of dry matter (PAMS) in forages five cattle ranches in the humid tropics of Chiapas, throughout the year. The data analysis considered the fixed effects ranch month of the year, time of year and forage species. There were no effects (p≤ 0.001) of the interactions ranch*month of the year, ranch*time of year and month of the year*forage species in ALT, PSA and TC. It is concluded that forage production in the Mexican humid tropics is affected by the month and the season as fodder in the months of the rainy season were 82 and 121% more height than in the windy season and dry, respectively; also forages in the rainy season were 30 and 115% more dry weight accumulated (PSA) and growth rate (TC) in the windy season and dry, respectively.

Palabras llave : cattle; dual purpose; growth rate; seasons.

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