It really does depend on the bitch, Molly had her 1st season at 11 months, her 2nd one 12 months later! My friends black lab, Lucy had her 1st season at 6months , then every 6 months after.
They are all different, I would hazard a guess that Butty might be quite a few months off her 2nd season as she was quite late for her 1st season, but who know's :wink:
Lizzy Molly and Evie