Hello Shannon,
And welcome to the forum!.
I also live in nsw to!
umm but I am not sure where any rescuses would be though
but there is a barn called(Petbarn)
they are very good and they rearly love the animals
try to look for it I brought my guinea pigs from there and have no proplam
and to tell you I brought to girl guinea pigs from there and they where not pregnat!!
thats because they seperate the males from the females at Petbarn I hope I could help
gooluck finding a guinea pig
