I started my AB at 11 months she still has all her teeth lots of ppl I know say 1 year. Be carefully start them on a shoat not a rank boar they can lose teeth a catch dog without teeth is useless unless her name is snow my AB great grandma she caught at ten without a tooth left.
Well I have heard 1 year minimum and I have heard 15-16 months. He'll be a year in August.
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Bad as I'd hate to, I'd rather give him plenty of time vs take a chance and jesk a tooth or more.