Reproductive system

Question 1

What are gonads

Answer 1

Paired testes in males & usually a single ovary in females

Question 2

When will testes grow

Answer 2

When they reach sexual maturity

Question 3

What colour are immature or inactive testes

Answer 3

Yellow

Question 4

Where are sperm cells formed

Answer 4

Tubules

Question 5

Why do testes turn white

Answer 5

Because of the start of breeding season and due to the growing seminiferous tubules

Question 6

What are the 3 extra embryonic membranes and what do they do

Answer 6

Amnion - surrounds the embryo and
Chorion - serves as a protective membrane
Allantois - grows as the embryo grows

Question 7

What is a clutch

Answer 7

Amount of eggs a bird lays per each nesting attempt

Question 8

What are 2 types of egg laying

Answer 8

Determinate egg layers - laying a set number of eggs in their clutch, not replacing eggs that are removed or destroyed
Indeterminate egg layer - replacing eggs that are lost or removed form their clutch - Chickens or ducks

Question 9

What aspects of bird breeding do you think is important to consider for a bird breeding plan?

Answer 9

Private parts
Environment - nesting
- food availability
- migrate
- relations

Question 10

What are the 2 different types of breeders

Answer 10

Continuous breeders - reproduce throughout the year - Chickens

Opportunistic breeders - breed during certain cycles or when conditions are favourable - parrots

Question 11

What are different breeding triggers

Answer 11

Day length (photoperiod)
Temperature changes
Humidity changes
Rainfall
Presence of other birds
Availability of suitable nesting areas
Hormonal cascade / sexual maturity