You can have your puppy fixed at around 12 weeks, not before.
Females are sexually mature in three years and males are sexually mature in four years.
Depends on the breed and the individual heifer. Most heifers are sexually mature by the time they are around 15 months of age; others will be sexually mature when they are 24 months of age, like with Brahman heifers.
They are Goldfish and so they mature and breed as goldfish. They can be sexually mature at 1 year if they have been well housed and well looked after.
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Puberty is the time in which adolescents become sexually mature. Pubescence is the term meaning the time when puberty starts.
In malarial infections the sexually mature parasite is found in the vector which is the Amophelus Mosquito.
Armadillos are sexually mature at one year of age.
Dwarf and small breeds can become sexually mature as early as 4 months. Larger breeds take 6-8 months to become sexually mature. Once a buck has become sexually mature, and if he is not separated from his mother, he will breed her.
5 years.
Anyone who is sexually mature can be afflicted.
Ferrets go through puberty between 6-8 months of age. After they have gone through this stage they are sexually mature.
As a puppy. Most dogs are more playful in their youth (puppy years) than as they mature.