Alright I have some questions. In my last few hatches I have had some really big eggs from an old Wellie/Leghorn cross hen, along with some small EE eggs. In many cases the small to normal eggs hatched fine but the big ones had a lower hatch rate and it seems at least one chick from that hen would have a leg problem. Several with one leg stuck straight out in front, sometimes with the other straight out back, some with both legs out front. Most of them by the third day were getting up and around and after a week you couldn't tell any difference. One of the ones with both it's legs to the front couldn't get around to eat or drink and died. I never had any problem with the EE. I figured maybe because the eggs & chicks were so big they couldn't turn in the shell and got stuck or something.
The latest hatch tho I had one day, around day 19 that I totally spaced turning the bator back on after adding water.When I got home from work it was about 76 degrees in there. This hatch rate was much lower than the last three. and I have 4 chicks with leg problems, including 3 EE chicks.![]()
SO I am wondering if there might be something else going on? I know that incubation temp can have an effect on development, but I don't remember what the different results were besides hatching a little sooner or a little later.
Or do you think it is being caused by something else? I was beginning to think maybe it was genetic, but now with other hen's chicks having it, I think it's something to do with the bator and incubating itself.
Older hen? My biggest eggs are from my oldest girls. Some of them are around 7 years old. Their eggs don't hatch well. The young girls are about a year now - and the ones I let a broody hatch was fine. I found when my girls were younger their eggs hatched. Not so much any more...'
I think the extreme cool down in the next hatch might have stalled them a bit at day 19 - they spent their energy keeping moving to find the heat instead of using it to hatch?
There could be multiple causes of the same seeming symptoms. Spraddle leg and curled toes etc can also be caused by deficiencies in the parents' diets, perhaps splay leg could too?
Anybody else have any problems hatching older hens' eggs? I know fertility goes down on the rooster as he ages .. but even with a new rooster they didn't do well..