Can fababeans replace soya?

The recent crisis of feedstuff prices has brought a lot of attention to otherwise obscure and neglected ingredients. I was recently contacted to offer advice concerning the use of fababeans in diets for pigs. Apparently, a low-quality lot had been offered at a very competitive price to a small pig producer and he wanted to maximize their use to reduce feed cost as much as possible. We ended up running some analyses to determine actual levels of anti-nutritional factors, based on which we maxim