We tend to get quite a few ewes presenting a lamb normally but the lambs legs are not extended properly so it struggles to be born easily. All we tend to do is just pull on the feet, one at a time, then the lamb just pops out. Are we being impatient and it will lamb itself in time, or is there some other reason for this? We have only started this year marking it on the lambing sheets so we don’t know if it happens to the same ewes very year.