Are these eggs fertile?!

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nicolemac

nicolemac

In the Brooder
7 Years
Jan 6, 2013
71
9
43
Isle of Skye
Hi there,
I bought some eggs from a local farm and when I when I went to cook one I noticed the blastoderm on the surface. I read that this means the egg is fertile.​


This is a photo of the egg - black and white seemed to show the blastoderm better.


I thought, being from a local farm - it's likely the hens and roosters are kept together so decided to incubate the other 5 eggs.
I have been incubating the eggs for 4 days now and when candling them they are the same is when I started - looking like just a yolk floating around inside, no blood vessels are even slightly visible.
Thinking that the first egg must have been a fluke, I broke one of the other eggs open to be sure there was no development before I disposed of them.


These photos are of the egg that I cracked open after 4 days.
Was this egg fertile or not? I read that there should be distinct blood vessels and a dark spot in the middle as well as a visible air sac. Can anyone give me any advise as to what is going on? Im very confused..​
 
Those eggs are definitely fertile. At four days though, there should be a lot of veining and an actual embryo visible.

What were you using for your incubator? Were the temps correct?


Something kept them from developing. It could be they got too cold because it's winter, or something else.

Here's a day by day pictures of chicken development: http://eggcartonlabels.blogspot.com/2011/04/chicken-embryo-development-graphic.html It is kind of graphic though.
 
They looked like they sure tried to develope , What kind of incubator are you useing ? How were the eggs kept befor you picked them up , if its super cold outside and he didnt collect them promptly and they froze maybe that would do it but Im sure people with tons more experiance then me will know more.
 
I made my own incubator, but not just with a lightbulb or something. I have a wooden box fixed with a thermostat controlled heat lamp and a thermometer to ensure it, humidity is 45 and temp is around 99 +/- 2 degrees, eggs are hand turned 3 times daily. It might be the cold, I do live in Scotland after all, should I increase the heat? I'd be scared it might cook them.

Should I put the box in with my bearded dragon?, he has a huge tank and the temp is a stead 100 degrees, he's only a baby - no harm to them at all. Would the humidity be okay?

Thanks!
 
gabrielle1976 said:
They looked like they sure tried to develope , What kind of incubator are you useing ? How were the eggs kept befor you picked them up , if its super cold outside and he didnt collect them promptly and they froze maybe that would do it but Im sure people with tons more experiance then me will know more.
Click to expand...
As far as I know the eggs were not frozen at all, the weather has been different this year and our frosts came in early December rather than this month. It's cold out, but no more than usual.
Thanks.
 
gabrielle1976 said:
99 should be fine for them if you have a fan , if not you may want to up it to 101 . Sounds like everything is right , maybe it was just a fluke?
Click to expand...
Yeh, must have been. I going to keep the eggs incubated until my others arrive (i ordered some fertile Cuckoo Maran eggs) just in case they develop any more..
Thanks!
 
The 2nd egg appears to be developed somewhere between day 2-3. Temps running slightly low & checking before the full 4 day mark could account for this. I would wait another 3-5 days before candling again. By then you should have some veins visible on candling. I would also raise temps to 100-100.5F. I run my bator right at 100F for still air. I would NOT suggest sticking your eggs in with the bearded dragon.
 

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