Twenty-four “Gentile di Puglia” male lambs, weaned at 38 ± 2 days of age and at an average initial
body weight of 15.8 ± 0.5 kg (mean ± sd), were divided into three homogeneous groups (n = 8) and fed
for 8 weeks with three different experimental diets: FB containing 300 g/kg diet (on as fed basis) of
faba bean seeds; FB + L containing 150 g/kg diet of faba bean seeds plus 150 g/kg diet of lupin seeds; L