i have a 5/8 3/8 mom was 25" dad was 26". mine turned out 23" all the litter mates turned out 25" to 26". im not too bothered cause he still does the job he is bred for. all the best.....
hi mate.
just take your dog back to basics, pick you easy runs, to boost his confidence. dont slip him too far away bacause he is gettin dis-heartened and encourages them to start yapping. all the best