Avian Biology Flashcards
What are the four types of combs -
- Single
- Pea
- Walnut
- Rose Comb
What is the difference in feathering between male / female chickens?
Males have more pointed feathers and longer tail feathers
Female feathers are more rounded
What are : Hackle, Sickle, Saddle, Fluff Feathers?
Hackle = neck feather Sickle = Tail feather on male Saddle = back feathers Fluff = fluffy feathering underneath
How can you tell by looking at a chickens feet whether it is a male or female?
Males - longer spurs which continue to grow - get into fights with other males. Females have very small spurs.
What is the keel bone and what are some metabolic issues that may be associated with it?
It is the breastbone, birds in intense operations selected for growth may display calcium insufficiency.
What is known as the “true stomach” of the chicken?
The proventriculus
Where is the vestigial yolk sac located in the Small intestinal? What’s it called?
Between the Jejunum / ileum - it is called Meckel’s Diverticulum
What extra part of respiratory system do birds have to help with breathing?
Air sacs balloons of air which help with respiration.
True or false - do male chickens have accessory sex glands
FALSE - Chickens have very concentrated sperm with little fluid.
Where are testis located?
Inside the body cavity towards the middle of the back
T/F Chickens have a functional right ovary
FALSE - Chickens have a functional L ovary and their R one doesn’t develop
What is the first part of the oviduct?
Infundibulum
If the ovulated follicle ends up in the body cavity what is this called
INTERNAL OVULATION
What is the isthmus?
Where 2 shell glands are applied in the oviduct
