The study report here was undertaken to evaluate the nutritive value of leaves from tannin rich tropical multipurpose tree species with or without various tannin binding agents (TBAs). The studied species included Albizia gummifera, Carissa edulis, Draceana steudneri, Ficus sycomorus, Grewia ferruginea, Millettia ferruginea, Prunus africana, Rhus glutinosa, Syzygium guineense and Ekebergia capensis.
Six independent samples per species were collected separately. The species were subjected to proximate, detergent and polyphenolic analysis. Dry matter and organic matter digestibility (DMD & OMD) of the plant leaves were determined following two stage in vitro enzymatic analysis. Dried plant species were incubated in two runs with three replications per run with rumen liquid collected from three Boran Holstein-Friesian crossbred steers and gas production measured at 2, 4, 6, 8, 12, 24, 32, 48, 58, 72 and 96 h of incubation.
Content
Abstract
Content
Introduction
Materials and methods
Study site
Leaves of the plant species
Chemical analyses and nutritive value
In vitro gas production measurement
Statistical analyses
Results
Chemical composition, polyphenolic components and in vitro digestibility of the tannin rich plant leaves
In vitro gas production potentials of the plant leaves
Effects of tannin binding agents on in vitro gas production and kinetics of the leaves
Fermentation characteristics of tannin rich tree leaves
Effect of tannin binding agents on in vitro fermentation characteristics of tannin rich tree leaves
Correlation between some chemical composition and in vitro gas production
Discussion
Plant leaf effects on relative nutritive value
In vitro gas production potentials of tannin rich tree leaves
Effects of tannin binding agents on in vitro fermentation of leaves of tannin rich trees
Effect of plant species variation on in vitro fermentation kinetics
Effect of tannin binding agents on in vitro fermentation kinetics of tannin rich tree leaves
Correlation coefficient between some nutritive value and in vitro gas production parameters
Conclusion
Acknowledgement
References
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