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- Title
DOMINANCIA, COMPOSICIÓN QUÍMICA-NUTRITIVA DE ESPECIES FORRAJERAS Y FITOMASA POTENCIAL EN UNA SELVA SECUNDARIA.
- Authors
Gómez-Fuentes-Galindo, Tania; González-Rebeles, Carlos; López-Ortiz, Silvia; Ku-Vera, J. Carlos; de Jesús Albor-Pinto, C.; Sangines-García, J. Roberto
- Abstract
The relationship between abundance, dominance and similarity of fodder species with the nutritional quality and quantity of potential phytomass for feeding bovines was determined, in sites with forest, shrub and herbaceous vegetation in dry and rain season. Fifty-four (54) fodder species were found grouped into 21 families (with Fabacea dominating). The abundance of woody fodder was higher in the rain season in the forest community (p<0.0001; 52.8±11.4) and in the dry season in the shrub community (p=0.002; 14.80±3.09). The similarity between communities varied from 0.27 to 0.54. The dominating fodder species of the forest community in the rain season presented high nutritional values, ruminal degradability (65.9-89.0 %) and metabolizable energy (9.35-11.52 MJ/kg DM). The highest content of tannins was in Bauhinia divaricata (12.75 %). The potential phytomass yielded 3272 and 1454 kg DM/ha in the rain and dry seasons, respectively, and was higher in herbs (P<0.0001; 3977±2299 and 2451±3336, respectively). A large diversity of fodder species was found, different in each plant community, and which differ in chemical-nutritional quality. As a whole, the potential phytomass of all the strata and the variety of nutrients that the species contain complement each other to feed bovines throughout the year.
- Publication
Agricultura Sociedad y Desarrollo, 2017, Vol 14, Issue 4, p617
- ISSN
1870-5472
- Publication type
Article
- DOI
10.22231/asyd.v14i4.699