Here is the software breeders could use. Video of the tool:
http://ametiste.ifrance.com/avi_db_tool
Right mouse button, save file as, choose as name "avi_db_tool.avi". Then play it on Windows media player, or VideoLan etc...
1) find a dog in the data base (ID of the dog)
2) run statistic on the dog ancestors (you can choose the depth)
3) run statistic on the dog offsprings (you can choose the depth)
Suggestions ? Improvements ?