
Not every breeder likes to be intrusive in their contact. A card to remind you they re around is quite OK, as obviously you can contact them at any time, and not all owners want a breeder breathing down their necks all the time.
I have found some owners just don't seem to want contact and with those I give up writing after a while.
Must admit am much better with the ones on line as I am dreadful for not writing letters etc, and I don't send many Christmas cards either. Don't keep in touch with many family or Friends regularly either.
Tend to keep an eye for the first 18 months (which is when most new owners may have teething problems with new family member).
After all they all know my address and phone number, and if I ever move then they will all get a change of address note.
Have certainly always been available for those who want to keep in touch or have questions/problems, and helped re home a number of varying ages over the years.