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Intraspecific differences in ash, crude protein contents and protein precipitation activity of extractable tannins from Nepalese fodder trees
| Publication Type | Journal Article |
| Year of Publication | 1995 |
| Authors | Wood, C, D.; Tiwari, B, N.; Plumb, V, E.; Powell, C, J.; Roberts, B, T.; Gill, M, |
| Journal Title | Tropical Science |
| Volume | 35 |
| Pagination | 376-385 |
| ISBN Number | 0041-3291 |
| Key Words | leaves; crude protein; ash; proteins; precipitation; tannins; multipurpose trees; nutritive value; seasonal variation; age; position effect; fodder; foliage; chemistry; variation; broadleaves; fodder plants; ficus; Quercus semecarpifolia; Castanopsis trib |
| Abstract | Leaves of different ages and from different positions on 3 trees each of Artocarpus lakoocha and Quercus semecarpifolia were sampled in November, January and March 1990-91 and analysed for ash, crude protein and protein precipitation activity of extractable tannins. Much of the variation within species related to leaf age and position appeared to be random in nature. Protein contents generally fell and ash contents rose over the period, but the trend was generally not statistically significant ( P >0.05). Some significant ( P <0.05) tree-to-tree differences were found in these components. Variability in leaf protein precipitation activity was significant ( P <0.05) within trees, between trees and between bimonthly samples. Significant ( P <0.05) within-tree differences were found in fresh leaf samples of Q. semecarpifolia and Ficus glaberrima , but not Castanopsis tribuloides . Intraspecific differences in chemical composition may complicate the assessment of the nutritive value of tree leaf fodders. |
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