what age is puberty in a dog
Dog Puberty. Puberty In a male dog, puberty appears around 8 or 12 months of age. Upon reaching purity, the dog will start to mark his territory (outside the house, that is) with urine, stopping at every tree and a corner to do so.n the female dog, the first estrus cycle appears around 7 or 8 months of age, and is characterized by a vaginal blood flow which can last for about 10 to 12 days and is followed by ovulation (fertile period).