Hopefully in the near future I will have a forum for this topic. These parasites are very interesting to me too almost as much as the lizards themselves. If you have not already, read the book "Parasite Rex", this is a book that will captivate you for sure.
One part talks about a parasite wasp that actually duplicates its hosts genes essentially making them the same species or at least causing an old rule to be questioned. Then goes on to subjects similar to your reference on protein production in fecal waiste