Hi everyone, this article has some good info about chickens and oviduct flukes:
http://parasitipedia.net/index.php?option=com_content&view=article&id=2573&Itemid=2855
The fluke life cycle relies on two intermediate hosts: snails and dragonflies. I think the reason that there is not more...
I'm so glad to see this post - I'm a new member, and I too just read the flax seed & ovarian cancer article referenced. I just lost one of my sweet hens to ovarian cancer. She was an ISA sex-link brown/red, and I suspected that the fact that they've been bred to fire out as many eggs as possible...