CPT Poultry Anatomy & Physiology 3

Question 1

In a commercial laying hen, approximately how long does it take from ovulation to oviposition (egg lay)?

Accepted Answer

24–26 hours

Answer

48–72 hours

Answer

6–10 hours

Answer

4–5 days

Question 2

In the hen's oviduct, which section is responsible for depositing the shell membranes around the egg?

Accepted Answer

Isthmus

Answer

Magnum

Answer

Uterus (shell gland)

Answer

Infundibulum

Question 3

Where are the testes located in a male chicken (rooster)?

Accepted Answer

Internally within the abdominal cavity, near the cranial kidneys

Answer

In an external scrotal sac below the cloaca

Answer

Adjacent to the cloaca in a pouch called the bursa copulatrix

Answer

Embedded within the pelvic bones near the synsacrum

Question 4

What are the chalazae in a hen's egg?

Accepted Answer

Twisted, rope-like strands of dense albumen that anchor the yolk centrally within the egg

Answer

Thin membranes that line the inside of the eggshell

Answer

Pigment-producing cells responsible for eggshell color

Answer

Air-filled pores in the eggshell that allow gas exchange

Question 5

Which section of the hen's oviduct is responsible for depositing the bulk of the egg white (albumen) around the yolk?

Accepted Answer

Magnum

Answer

Isthmus

Answer

Uterus (shell gland)

Answer

Infundibulum

Question 6

What is the vitelline membrane of an egg and what does it enclose?

Accepted Answer

A thin, transparent membrane that directly surrounds and contains the yolk

Answer

The outermost shell membrane lining the interior of the eggshell

Answer

The protective cuticle coating the outside of the calcified eggshell

Answer

The chalaziferous layer of dense albumen adjacent to the yolk

Question 7

What is the typical interval between consecutive egg lays in peak-production commercial laying hens?

Accepted Answer

Approximately 24–26 hours, resulting in roughly one egg per day

Answer

12 hours, allowing two eggs per day at peak lay

Answer

48 hours, producing an egg every other day

Answer

Eggs are laid in weekly clutches of 5–7 eggs