Chemical composition and in vitro gas production of some legume browse species in subtropical areas of Mexico
2011
Garcia-Montes de Oca,C. A. | Gonzalez-Ronquillo,M. | Salem,A. Z. M. | Romero-Bernal,J. | Pedraza,J. F. | Estrada,J. G
The objective of the present study was to determine the chemical composition and in vitro gas production of different legume and wild arboreal pods. Seven seeds of legume browse species, Mexican calabash (Crescentia alata), esculent leadtree (Leucaena esculenta), guamuchil (Phitecellobium dulce), bastard cedar (Guazuma ulmifolia), needle bush (Acacia farnesiana), mimosa (Mimosa sp.) and elephant ear tree (Enterolobium cyclocarpum). Were evaluated for their chemical composition (g/kg DM) and in vitro gas production pattern. Crude Protein was higher for L. esculenta (220) and lower for G. ulmifolia (70). Neutral and acid detergent fiber were higher for G. ulmifolia (687 and 554) and lower for A. farnesiana (267 and 176). Lignin was higher for Mimosa sp. (219) and lower for P. dulce (81). Total gas production (ml gas/g DM) of P. dulce (187) and E. cyclocarpum (164) were higher (P<0.001) than Mimosa sp. The lowest values were for C. alata (108), G. ulmifolia (102), L. esculenta (99) and A. farnesiana (90). The nutritional characteristics of L. esculenta and A. farnesiana might be used as supplements in ruminant diets, due to their major content in CP and in vitro digestibility, representing an alternative protein supplement during dry season.
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