Case 2A - Sexual maturation

6 important questions on Case 2A - Sexual maturation

What is sexual maturation in animals?

Sexual maturation is a developmental process in both sexes, in which the gonadal hormones (primary sex hormones) play a stimulating role in the development of the reproductive tract and secondary sexual characteristics.

When is puberty complete in male animals?

Puberty is complete when the first ejaculate with fertile semen can be produced.

When is puberty complete in female animals?

The end of puberty is indicated by the first ovulation associated with external visible oestrous symptoms and oestrous behaviour. In birds it is indicated with the laying of an egg.
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Which two factors influence the sexual maturity?

  • Exogenous factors
  • Endogenous factors

What are exogenous factors and do they influence all species the same?

  • Ambient temperature
  • Feed
  • Day length
  • Intensity of light

Depending on species these play a larger or lesser role.

What are endogenous factors?

Factors related to the genetic predisposition of the animal and the physiological(age and weight) changes that occur in the animal.

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