https://www.vetnurse.co.uk/f/clinical-discussions/20605/guinea-pig-pregnancy-and-post-whelp We have a client with a pregnant G.pig and a male that we castrated on monday. O' asked if he could go back in with female. From a surgical POV i thought a few days for his wounds to settle but not quit sure on a behavioral level, they were togetheren-USTelligent Community 10