That depends on your definition of Mature. Plymouth Rocks are fully feathered at about 5 months old and are sexually active at 8 months if you have a rooster in the flock. They remain "pullets" (young hens) for the first year and are considered hens thereafter.
it is probly about 6 months to a year it depends on the breed Rhode Island red's are about 6-7 months
It takes a broiler chicken 25-26 weeks to reach maturity (become full grown).
It can take about 6 months for a chicken to grow to full size. This is also when they start to lay eggs.
Chickens reach maturity around one year, but can lay eggs anywhere between five months and a year. Males reach maturity before females do.
It takes approximately 30-40 days to reach maturity.
80-100 Years.
10years
about 21 days or more
Cheetahs normally reach maturity between 20 to 24 months. At this stage they are able to hunt well and mate with others.
About 3-5 years of age.
Depending on the species, frogs take 1 to 5 years to reach maturity.
Mollies take about 6 months to reach sexual maturity.
Typically they reach sexual maturity between 4-5 years.
3 to 4 years
Varied by monkey type. It takes about 6 years for Capuchins monkey to reach sexual maturity. Macaques reach sexual maturity around 3 or 4 years old. Squirrel monkeys are tiny monkeys from Central and South America. They take about 1 ½ years to reach sexual maturity.