Chemical composition of tree species with forage potential from the region of Tierra Caliente, Michoacan, Mexico

Gonzalez, J.C.; Ayala, A.; Gutierrez, E.

Cuban Journal of Agricultural Science 41(1): 81-86

2007


Accession: 022201270

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Abstract
The chemical composition was determined in tree species, with forage potential, from the region of Tierra Caliente, Michoacan. The methodology comprised the application of 15 surveys in each of the six municipalities of this region to identify the forage trees. The farmers surveyed reported 80 trees with forage use. Crude protein, neutral detergent fiber, acid detergent fiber, organic matter, ashes, calcium, and phosphorus were determined in sixty-seven of them. Crude protein in the trees varied from 7.0 for Diphysa minutifolia up to 27.1% for Jacaratia mexicana, whereas 97.01% of the species had crude protein levels higher than 8%. Forty-six point twenty-six percent of the species had neutral detergent fiber levels between 20 and 30%. The highest percentage of NDF was found in Stemmademia obovata (62.07%). Acadia macilenta showed the highest value (48.58%) of acid detergent fiber (ADF). Cordia elaeagnoides had the lowest concentrations of NDF (16%) and ADF (10%). The chemical content of the species led to a preliminary judgment for their use in ruminant feeding. The diversity of species and chemical composition showed the great potential of these native resources as alternative for livestock rearing in the region of Tierra Caliente, Michoacan, Mexico.