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poultry intro > lecture 7 - egg production and reproductive physiology > Flashcards

lecture 7 - egg production and reproductive physiology Flashcards

1
Q

the egg has been called _____ and comes within its own packaging

A

“the perfect protein”

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2
Q

chickens have been bred and selected to ovulate every ___

A

27 hours

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3
Q

4 main parts of egg structure

A

yolk
albumen
membranes
shell

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4
Q

where is yolk made?

A

liver

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5
Q

what is the yolk production controlled by?

A

estrogen

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6
Q

contains ____ for chick protection

A

immunoglobulins

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7
Q

ZW

A

female

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8
Q

ZZ

A

male

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9
Q

___ of the female determines the sex of offspring

A

ovum

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10
Q

a series of individual ova swell with yolk material. one mature ovum is released at ovulation

A

ovary

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11
Q

this engulfs the released ovum from the body cavity. it is also the site of fertilization of the ova by sperm

A

infundibulum

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12
Q

a thick albumen is secreted around the yolk

A

magnum

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13
Q

water fluid is added to the albumen (plumping), then egg shell is slowly deposited around the egg

A

uterus (shell gland)

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14
Q

semen is stored in tubules and released at ovulation. the musculature controls the time of egg laying

A

vagina

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15
Q

the vent through which the egg passes as it is laid

A

cloaca

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16
Q

how long is the egg in the infundibulum?

A

15 minutes

17
Q

how long is the egg in the magnum?

A

3 hours

18
Q

how long is the egg in the isthmus?

A

1 1/4 hours

19
Q

how long is the egg in the uterus (shell gland)?

A

21 hours

20
Q

how long is the egg in the vagina?

A

entire time from ovulation to laying is slightly more than 24 hours

21
Q

only the left ____ develops, the right regresses at hatch

A

ovary

22
Q

the ____ weighs up to 3% of an adult’s body weight

A

ovary

23
Q

funnel-shaped structure

A

infundibulum

poultry intro (4 decks)

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