Thanks Kinyonga...the vet actually mentioned that liquid calcium for the female as well...but I had so much whizzing by my ears, I figured I'd have to come on and ask a few things!
Hairfarm...when you look at the problem up close on Shrek...it wasn't the two hemipenises at the side that were outwards...it was the actual anal area...hence why he called it the vent. When I got Shrek the Hemipenises had hard stuff formed at the outside of it and it was a little sore to the touch, but not pussy ever. I was always trying to soak the area to relieve the pressure and clean it myself, but wasn't willing to poke up into there cause I didn't want to damage anything. When he cleaned it out...he said that he was probably dehydrated for so long...and the one hemipenis probably wasn't used for breeding, and had a lot of harder dried out material he thinks wasn't relieved during breeding process cause he was too dehydrated to pass it. As a result of being 'backed up' for so long, he just kept pushing and straining and out popped his vent anal area! Does that make sense?