Roles of hormones in reproduction.

Agricultural science SSS1 Second Term.

WEEK 5

Roles of hormones in reproduction.

Performance objectives.

Students should be able to;

1. State the roles of hormones in reproduction.

Content.

MAIN REPRODUCTIVE HORMONES AND THEIR FUNCTIONS

Hormones are chemical substances which coordinate the activities of the body. They are secreted by ductless glands in the body and transferred through the blood to the target organs on which they exert their effects. Hormones concerned with reproduction in farm animals can be grouped into male and female reproductive hormones.

Male reproductive hormones: Androgen.

Functions

• It initiates spermatogenesis (sperm formation).
• it is responsible for the initiation of male secondary sex characteristics.
• Maintains the sex drive (libido).
• Enhances muscular and skeletal growth.
• Reduces fat deposition.
• Promotes the…