The hens son is a 2yr old check cock, not paired up, just running spare in the hut, he goes away chaseing the strags, comes back, then hes off again, he has never went through the stall trap until the last couple owe days chaseing the hen, so ave locked the hen in the box with the grizzle and 2 ybs, see what happens with the next couple owe tosses wi him and her, and her ybs mate,
Thanks for the info guys, will keep yi posted.