Abstract
AbstractNineteen round white-feed peas (FP) varieties, six coloured-flowered peas (CP) varieties and four wrinkled white-flowered peas (WP) varieties were given to growing pigs in order to measure their feeding value. Mean values of energy apparent digestibility measured at the faecal level of FP, CP and WP were respectively 0·886, 0·812 and 0·823. Mean values for digestible energy were 16·34, 1506 and 15·60 M]l kg dry matter. Mean values of faecal apparent digestibility of protein were 0·840, 0·760 and 0·828. The lower energy and crude protein (CP) apparent digestibility of CP relative to FP can be explained by their higher fibre content and by the presence of condensed tannins whilst the lower energy and CP apparent digestibility in WP relative to FP can be explained by their higher fibre content, their lower starch content and their higher amylosel amylopectine ratio. Among the feed peas, there was no difference between peas with low trypsin inhibitor activity and peas with medium trypsin inhibitor activity.
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