Just a strange thought my freakish brain churned up based on the conspicuous absence of symbiote pouches on the Hak'tyl in 7x10 "Birthright"...
Somewhere out there, especially after the tau'ri started integrating the galaxy more (and distributing tretonin), there is a human man with a jaffa partner who probably asked if he could put his snake in their pouch.
...Sorry for inflicting this psychic damage on you all. Hallowed are the Ori.
That poor human. From memory the snake entering and leaving causes pain so unless they are into pain play....
Thanks for that image..... But i was always kind of hazy about the whole process. My best understanding is that upon reaching puberty the imune system of a jaffa shuts down. Then the pouch is cut and the symbiont implanted who keeps the imune system going and keeps the pouch open. If tretonin was used instead there would be no need to cut pouches.