I breed boa constrictor and females are a minimum of 3 years old but males can breed as young as 18 months.

I know bloods are not ball pythons but i know the males can breed as little as 500 grams or so and as young as 9 months to a year.

Any seasoned Blood pythons breeders use young males?

Pic is of my 2009 Albino Female, she is about 4'ft or so now.
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Richard Ceniceros