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When breeding pigs, select sows that are at least 9 to 10 months old as this is the ideal age for breeding. For the boars, you can either buy them when they're at least 8 months old if you have a small number of sows then breed them with a larger number as they grow older.
Answers. Best Answer: Your female is old enough to start breeding. Females are fertile up to ages 8-10. Males are fertile to breed until 12-14 years of age. Cockatiels need to be at least one year old before you start breeding them.Age isn't the only consideration in breeding. The cockatiels must be in good health, eating a well-balanced diet, and not molting. The pair must be compatible or they won't breed.They don't have to be the same ages to breed.ockatiels need to be at least one year old before you start breeding them. Age isn't the only consideration in breeding. The cockatiels must be in good health, eating a well-balanced diet, and not molting. The pair must be compatible or they won't breed. They don't have to be the same ages to breed.