Avian reproductive system Flashcards
1
Q
What is the role of the yolk
A
Provides food and nutrition as the embryo cells.
2
Q
What is the role of the albumen
A
Also known as the ‘egg white’ and contains a variety of different proteins.
3
Q
How does photoperiod affect egg production in chickens?
A
Egg production is stimulated by light. For example egg production decreases due to shorter daylight hours.
4
Q
Explain one role of extraembryonic in an egg
A
Chronin - Surrounds the egg and allows for gaseous exchange.
5
Q
How many functional ovaries does a hen have?
A
The hen only has one functional ovary.
6
Q
Where does fertilization occur in a chicken
A
Fertilization occurs In the oviduct.
7
Q
Explain four factors that affect egg production in chickens
A
- Temperature
- Food availability
- age
- Photoperiod
8
Q
What is the ideal incubation temperature for chickens
A
37.5 °C
