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Influence of the composition and diversity of tree fodder grazed on the selection and voluntary intake by cattle in a tropical forest

Albores Moreno, Samuel [autor] | Alayón Gamboa, José Armando [autor] | Morón Ríos, Alejandro, 1960- [autor] | Ortiz Colín, Perla Nohemí [autora] | Ventura Cordero, Javier [autor] | González Pech, Pedro Geraldo [autor] | Mendoza Arroyo, Gustavo Enrique [autor] | Ku Vera, Juan Carlos [autor] | Jiménez Ferrer, Guillermo [autor] | Piñeiro Vázquez, Ángel Trinidad [autor].
Tipo de material: Artículo en línea Artículo en línea Tipo de contenido: Texto Tipo de medio: Computadora Tipo de portador: Recurso en líneaTema(s): Alimento para el ganado | Vegetación secundaria | Preferencias alimentarias | Estructura de la vegetación | GanaderíaTema(s) en inglés: Livestock feeding | Secondary vegetation | Feeding preferences | Vegetation structure | LivestockDescriptor(es) geográficos: Tenabo (Campeche, México) Nota de acceso: Disponible para usuarios de ECOSUR con su clave de acceso En: Agroforest Systems. Volumen 94 (January 2020), páginas 1651–1664. --ISSN: 1572-9680Número de sistema: 60916Resumen:
Inglés

The objective of this study was to evaluate the influence of the composition and diversity of plant species browsed in a tropical dry forest, on the selection and voluntary intake (VI) by cattle during two seasons of the year. Plant species selection and VI of nine adult cattle (390 ± 13 kg of live weight) was evaluated for 7 weeks during the dry and rainy seasons on secondary vegetation (acahual). The composition, structure, diversity and importance value index were measured for fodder species browsed by cattle. The bite frequency (BF), preference index (PI) and VI of plants were also recorded. A total of 4882 plants belonging to 26 species and 17 families were registered, with a Shannon–Wiener diversity (H´) of 2.45. The species with the highest BF, PI and VI (P< 0.05) were Gymnopodium floribundum, Neomillspaughia emarginata, Mimosa bahamensis, Diospyros anisandra and Randia obcordata. The VI was higher (P< 0.05) in the rainy season than in the dry season (12.48 and 10.26 kg of DM/animal/day, respectively) and corresponded with a higher intake (P< 0.05) of nutrients and secondary metabolites. The density of species in the acahual played a determinant role in the VI of cattle, and the secondary metabolite content of plants did not interfere with the VI. We concluded, that the acahual vegetation provides sufficient forage for ruminant given its high plant diversity, guaranteeing the VI and adequate provision of nutrients for cattle.

Recurso en línea: https://doi.org/10.1007/s10457-020-00483-9
Lista(s) en las que aparece este ítem: GANADERIA SUSTENTABLE Y CAMBIO CLIMATICO
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Disponible para usuarios de ECOSUR con su clave de acceso

The objective of this study was to evaluate the influence of the composition and diversity of plant species browsed in a tropical dry forest, on the selection and voluntary intake (VI) by cattle during two seasons of the year. Plant species selection and VI of nine adult cattle (390 ± 13 kg of live weight) was evaluated for 7 weeks during the dry and rainy seasons on secondary vegetation (acahual). The composition, structure, diversity and importance value index were measured for fodder species browsed by cattle. The bite frequency (BF), preference index (PI) and VI of plants were also recorded. A total of 4882 plants belonging to 26 species and 17 families were registered, with a Shannon–Wiener diversity (H´) of 2.45. The species with the highest BF, PI and VI (P< 0.05) were Gymnopodium floribundum, Neomillspaughia emarginata, Mimosa bahamensis, Diospyros anisandra and Randia obcordata. The VI was higher (P< 0.05) in the rainy season than in the dry season (12.48 and 10.26 kg of DM/animal/day, respectively) and corresponded with a higher intake (P< 0.05) of nutrients and secondary metabolites. The density of species in the acahual played a determinant role in the VI of cattle, and the secondary metabolite content of plants did not interfere with the VI. We concluded, that the acahual vegetation provides sufficient forage for ruminant given its high plant diversity, guaranteeing the VI and adequate provision of nutrients for cattle. eng

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