swapped 3 pair of stock doos eggs under the yearlings and also an egg from a 10 yr old hen that laid a good egg and a soft egg so the good egg was floated tae all hatched and the yearlings all hatched (1st lot paired) bar 1 pair that that had sat too tight? other lot paired 14 days later all sitting but 2 pair of broken eggs so now sitting dummies but not checked any of their eggs yet and 1 pair of 2 yr old late breds that huvnae settled at the new place at all and still huvnae laid