Influence of faba bean tannins on male broiler chicks: evaluation of hulls from white- and coloured-flowered cultivars and of near-isogenic lines

The hulls (seed coat) of tannin-free, white-flowered and tannin-containing, coloured-flowered faba beans (Viciafaba L.) were used in three experiments (1989–90) to investigate the effect of tannins on the apparent metabolizable energy corrected to zero nitrogen retention (AMEN) and apparent metaboli...

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Bibliographic Details
Published in:The Journal of agricultural science 1993-12, Vol.121 (3), p.427-436
Main Authors: Wareham, C. N., Wiseman, J., Cole, D. J. A.
Format: Article
Language:English
Subjects:
Animals
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Summary:The hulls (seed coat) of tannin-free, white-flowered and tannin-containing, coloured-flowered faba beans (Viciafaba L.) were used in three experiments (1989–90) to investigate the effect of tannins on the apparent metabolizable energy corrected to zero nitrogen retention (AMEN) and apparent metabolizable nitrogen (AMN) of broiler chick diets. In Experiment 1, the effects of four rates of hull inclusion from one white- and one colouredflowered cultivar (0, 28, 56 and 84 g/kg) on dietary AMEN and AMN were studied. There was a significant response of AMEN to hull inclusion rate (P
ISSN:0021-8596
1469-5146
DOI:10.1017/S0021859600085622