Abstract
Tree fodders are traditionally used in temperate and subtropical parts of Bhutan and provide approximately 20% of the fodder requirement of the country's livestock. Willow (Salix babylonica), Quercus semecarpifolia and Euonimus spp. were considered the most important species for temperate areas. Crude protein content of willow leaves decreased from 24.8.% in April to 11.3% in October. Bulls' voluntary intake was 77.7, 58.4, and 28.6 g DM/W0.75 for willow, Popular robusta and Quercus semecarpifolia, respectively. Compared to temperate grasslands under the absence of phosphate inputs, tree fodders have a higher production potential and produce better quality fodder. Tree fodders may complement, but will not replace herbaceous fodder species in temperate areas. Assessment of yield potential in comparison to and in association with herbaceous temperate species is considered the most important research area.
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Roder, W. Experiences with tree fodders in temperate regions of Bhutan. Agroforest Syst 17, 263–270 (1992). https://doi.org/10.1007/BF00054151
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DOI: https://doi.org/10.1007/BF00054151