SummaryThe objective of this review was to systematically evaluate common vetch seeds as a potential feedstuff for animals, by summarizing and discussing the available published literature covering their nutritional composition as well as their content of antinutritional factors and potential techniques for their reduction. In addition, animal feeding studies that have investigated the effect of inclusion of common vetch seeds on animal growth and performance were identified and evaluated to stimulate interest in their use as a good source of nutrients for inclusion in animal diets. The collective literature shows that common vetch seeds are a less costly (in comparison with alternatives) and rich source of protein and minerals for farmed animals, are of high digestibility and have a high energy content, and can be used to partially or totally replace soya bean meal and/or to replace a large proportion of cereals in the diet. Furthermore, the literature shows that common vetch seeds contain a range of antinutritional factors which, if they are to be utilized in non-ruminant diets and to increase their utilizing efficiency, need to be removed or inactivated. This can be achieved via certain pre-processing methods, the combination of which may deliver better results.

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