Like Endgame Im a great lover of breeding my own and see-ing them develope,,plus, you know so much more about your own stuff and what they can and connot do. All the pups I have bred, kept and worked I have set a target for them of getting 100 rabbits before they wee a year old, where practicable (when they were born can affect this) and before a year, most of my dogs would be getting into the 20`s as their highest number. Had one whos top chalk was 15, but she went on to take some great hauls later..Where you live will have a big bearing on what size bags you can take, I am and have always