Here are some great resources on the web for you to explore.
Australian Cavy Clubs
Australian National Cavy Council
Cavy Council Of Victoria
NSW Cavy Club
Queensland Cavy Council
Cavy Owners and Breeders Society
Hobart Cavy Club
Southern Cavy Club of SA
FACEBOOK LINKS
Cavy West https://www.facebook.com/cavywest
Arista Cavy Stud
www.facebook.com/Arista-Cavy-Stud-16193318326719
Cavalon Cavy Stud
www.facebook.com/profile.php?id=100010224127139
Clover-Leaf Cavy stud
www.facebook.com/Clover-Leaf-Cavy-Stud-1099334750089999/?ref=br_rs
Pigs On Snook
https://www.facebook.com/PigsOnSnook/
Priceless Piggies
www.facebook.com/cavy34/
Tabella Cavies
www.facebook.com/Tabella-Cavies-285443681472553/
Victoria Cavy Stud
https://www.facebook.com/VICTORIA-STUD-441515306059745/
Resources
Guinea Lynx - an excellent reference site for guinea pig medical and general care information
Peter Gurney's Guinea Pig Health Guide