Thank you for all the responses!
She is an absolute pig when it comes to her food and her sudden change in behavior had me wondering if even at 1000-1100 grams of it were possible for a female to be sexually mature.
Don't worry though, I don't blame on breeding her at all
She's out beloved household pet, not a breeder. I have a couple fancy girls I'm waiting to get to size and then the fun shall begin.