Whenever the owners want to stop breeding. =-)
Fed and generally looked-after well, and good general health permitting, birds do not stop breeding - menopause is unknown in birds
Often a bull should stop breeding either if he's too old and not fertile enough any more to be used, or if he's become too aggressive and dominant with his handlers to be considered a keeper anymore. There really is no defined age when a bull should stop breeding.
It is virtually impossible to tell a canary's age. That is why they are banded at birth.
Not usually. They will eat insects during breeding
You should stop breeding a dachshund when they are at the oldest four years of age. If you breed them when they are older than 4 your dog may die from diseases. Hope this help!
Often a bull should stop breeding either if he's too old and not fertile enough any more to be used, or if he's become too aggressive and dominant with his handlers to be considered a keeper anymore. There really is no defined age when a bull should stop breeding.
At what age do female mallards get their adult feathers?
Herman Johnson Osman has written: 'Canary breeding tips and tricks' -- subject(s): Breeding, Canaries
Klaus Speicher has written: 'Canary Breeding' 'Singing Canaries'
When they're 6 years old for the best puppy results.
Rabbits will never really stop mating, although if you are intentionally breeding your bunnies you shouldn't allow the female to get pregnant after she is 4/5 years of age.