chrismahon
Well-known member
Core! I'd like a hen like that Paul. She's just amazing!
Mystery huge egg!!!
- Thread starter paul66
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dinosaw
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If you wanted to know why this is happening then the extract below is from the new scientist, but basically it is caused by abnormal contractions in the oviduct which cause a developing egg to be pushed back up the ovidect and be encased by a second egg.
"An egg within an egg is a very unusual occurrence.
Normally, the production of a bird's egg starts with the release of the ovum from the ovary. It then travels down the oviduct, being wrapped in yolk, then albumen, then membranes, before it is finally encased in the shell and laid.
Occasionally an egg travels back up the oviduct, meets another egg travelling down it, and then becomes encased inside the second egg during the shell-adding process, thus creating an egg within an egg. Nobody knows for sure what causes the first egg to turn back, although one theory is that a sudden shock could cause this. Eggs within eggs have been reported in hens, guinea fowl, ducks and even Coturnix quail."
Apparently if there is no yolk inside the egg within an egg there is often a foreign object in its place which the egg has formed around.
There is a short video about it on you tube here http://www.youtube.com/watch?v=YrBTg8YANYE
"An egg within an egg is a very unusual occurrence.
Normally, the production of a bird's egg starts with the release of the ovum from the ovary. It then travels down the oviduct, being wrapped in yolk, then albumen, then membranes, before it is finally encased in the shell and laid.
Occasionally an egg travels back up the oviduct, meets another egg travelling down it, and then becomes encased inside the second egg during the shell-adding process, thus creating an egg within an egg. Nobody knows for sure what causes the first egg to turn back, although one theory is that a sudden shock could cause this. Eggs within eggs have been reported in hens, guinea fowl, ducks and even Coturnix quail."
Apparently if there is no yolk inside the egg within an egg there is often a foreign object in its place which the egg has formed around.
There is a short video about it on you tube here http://www.youtube.com/watch?v=YrBTg8YANYE
Sue
New member
What was inside the egg within the egg paul66? Have you cracked the bigger one yet? Maybe there's an egg within an egg within an egg!!!!!!!!
tygrysek75
Member
Wow,this is trully amaizing
Many thanks for the replies and we have opened the egg within the egg and it was completely normal (and tasted great!!).
I think the shock theory for this happening could be true as we had a large fox pay us a visit and this may have upset the girls.
We have had further normal eggs from Harriet, however we still have to open the second large egg so will report back on our findings.
Many, many thanks and very best wishes,
Paul.
I think the shock theory for this happening could be true as we had a large fox pay us a visit and this may have upset the girls.
We have had further normal eggs from Harriet, however we still have to open the second large egg so will report back on our findings.
Many, many thanks and very best wishes,
Paul.
