It's best to wait until an Exotic Shorthair cat is at least one year old before breeding. This is because their physical development is generally complete by this age, making it the optimal time for breeding. Breeding too early can negatively impact the cat's growth and development, potentially leading to miscarriages, and the resulting kittens might have poor development and low survival rates.

Exotic Shorthair cats can breed after they turn one year old. Exotic Shorthairs typically reach sexual maturity around six months old, at which point they will begin to show signs of being in heat. Male cats in heat might exhibit behaviors like urine spraying, decreased appetite, and nighttime howling, while female cats in heat may become more affectionate, raise their hindquarters, and also vocalize. However, it's generally not recommended to breed Exotic Shorthairs during their first heat cycle, as they are still in their developmental stage. Early breeding can significantly increase the risk of miscarriage, stillbirths, and birth defects. Once an Exotic Shorthair is physically mature, at around one year of age, it is safer to breed. At this age, the male cat's hormones are more stable, resulting in higher quality sperm, and the female cat's uterus and ovaries are more fully developed. When breeding, it's often best to take the female cat to the male cat's territory; this can reduce the male’s stress and increase the likelihood of successful mating. The gestation period for Exotic Shorthairs is about 65 days. Around 20 days after mating, you should take the cat to the vet for an ultrasound to check the viability of the fetus and confirm a healthy pregnancy. Prioritizing responsible breeding practices ensures the health and well-being of both parent cats and their kittens. Exotic Shorthair breeding requires careful planning and consideration of the cat’s health and development to ensure the best possible outcome.