CAS Avian Reproduction & Breeding

Question 1

What is the approximate incubation period for a Budgerigar (Melopsittacus undulatus) egg?

Accepted Answer

18 days

Answer

12 days

Answer

21 days

Answer

28 days

Question 2

Which term describes the featherless, highly vascularized area of skin that develops in many birds during breeding season to transfer heat directly to eggs?

Accepted Answer

Brood patch

Answer

Gape response

Answer

Uropygial activation

Answer

Cloacal pad

Question 3

What is the typical clutch size for a Double Yellow-headed Amazon parrot (Amazona oratrix)?

Accepted Answer

2–4 eggs

Answer

1–2 eggs

Answer

5–7 eggs

Answer

8–10 eggs

Question 4

During egg candling, what should a fertile egg display at approximately day 7 of incubation?

Accepted Answer

A visible network of blood vessels

Answer

A clear, translucent appearance

Answer

A dark opaque mass filling the egg

Answer

An air cell occupying half the egg

Question 5

What temperature range is generally recommended for artificially incubating most parrot eggs?

Accepted Answer

98–99°F (36.7–37.2°C)

Answer

95–96°F (35–35.5°C)

Answer

101–102°F (38.3–38.9°C)

Answer

103–105°F (39.4–40.6°C)

Question 6

Egg binding in breeding hens is most commonly associated with a deficiency of which nutrient?

Accepted Answer

Calcium

Answer

Vitamin A

Answer

Iron

Answer

Vitamin B12

Question 7

Which of the following best describes an altricial chick at the time of hatching?

Accepted Answer

Naked, eyes closed, and entirely dependent on parents

Answer

Fully feathered and immediately mobile

Answer

Eyes open, self-feeding within hours

Answer

Partially feathered with limited self-thermoregulation