Avian Reproduction

Question 1

territory

Answer 1

Many birds of definable area they claim
- Ex) robin, pheasant, budgie

Question 2

What type of nesting does budgie do?

Answer 2

Gregarious
- colonial, communal

Question 3

cavity nests

Answer 3

holes in trees = nests

Question 4

oriole nests

Answer 4

yen but with sticks

Question 5

Mating

Answer 5

• photoperiod important!
• courtship (varies)
• artificial (turkeys)

Question 6

Define photoperiod

Answer 6

length of day

Question 7

Many birds are ___-day breeders

Answer 7

long-day

Question 8

Artificial mating is a note for what type of birds?

Answer 8

turkeys

Question 9

ovulation of which organ and where?

Answer 9

• single ovary (left side)

Question 10

oviduct

Answer 10

• tube where occur/egg passes from ovary
• Infundibulum (funnel): fertilization
• Magnum: albumen
• Isthmus: shell membranes
• Uterus: shell gland
• UV junction: sperm host glands
• Vagina

Question 11

Infundibulum (funnel) does what?

Answer 11

fertilization

Question 12

magnumdoes what?

Answer 12

albumen

Question 13

Isthmus does what?

Answer 13

shell membranes

Question 14

uterus (shell gland

Question 16

Oviposition from __-

Answer 16

cloaca

Question 17

Chicken Reproductive Tract

Answer 17

Cloaca, shell gland, isthmus, magnum, infundibulum, follicles

Question 18

paired testes at _____ temperature

Answer 18

deep body temperature

Question 19

Male reproductive: vas deferencs

Answer 19

“beside ureter”

Question 20

Male: lack of ___

Answer 20

accessory glands

Question 21

phallus: generally ___

Answer 21

reduced

Question 22

when does incubation start?

Answer 22

after first egg is laid, when clutch has been laid

• effect of hatchligns

Question 23

who incubates?

Answer 23

both: 69%
Females: 25%
Males 6%

Question 24

incubation Temp

Answer 24

100F

Question 25

incubation humidity

Answer 25

55% RH

Question 26

incubation gas exchange (ventilation)

Answer 26

need adequate oxygen + need to remove CO2

Question 27

incubation: Turning

Answer 27

eggs need to be turned several times per day

Question 28

natural incubation

Answer 28

use broody hen as example
stops laying

Question 29

how to determine viability?

Answer 29

“candling” eggs

Question 30

when does yolk sac start to enter body cavity?

Answer 30

19th day

Question 31

Would precocial chicks be able to regulate body temperature?

Answer 31

They don’t, must give them heat until they’re feathered out