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ANSC*2340 Poultry Dissection
digestive system, reproductive system, slaughter
27
Anatomy
Undergraduate 2
03/10/2014

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Cards

Term
What stimulates birds to start filling their crop?
Definition
when the find a stash of food or the light begins to dim
Term
What is the glandular compartment of the stomach?
Definition
proventriculus
Term
What is the muscular compartment of the stomach?
Definition
gizzard
Term
What is the function of the gall bladder?
Definition
stores bile from the liver
Term
What is the cloaca?
Definition
common opening of the excretory, digestive & repro systems to the exterior
Term
[image]
Definition

1. oesophagus

2. crop

3. proventriculus

4. gizzard / ventriculus

5. pancreas

6. gall bladder

7. liver

8. small intestine

9. caeca

10. cloaca

Term
[image]
Definition

1. testis

2. epidydimis

3. vas deferens

4. papilla

5. urodaeum of cloaca

6. ureter

Term
What is the papilla?
Definition
small protrusion where the vas deferens opens into the cloaca
Term
What is the urodaeum?
Definition
where the excretory system opens into the cloaca
Term
When does gaseous exchange take place in poultry?
Definition
as the air is moving through the lungs
Term
What separates the thoracic & abdominal cavities in poultry?
Definition
nothing, no diaphragm!
Term
Describe the inhalation & exhalation of air in poultry?
Definition
Inhale: air is drawn through lungs into air sacs outside the lungs
Exhale: air passes from air sacs back through lungs to the exterior
Term
Where are the lungs found in poultry?
Definition
under the vertebral column
Term
How does the processing system for lungs in poultry differ from in other meat animals?
Definition
poultry: lungs a removed with a suction tube

other: usually removed & kept as plucks
Term
Desribe the location of the following air sacs:

interclavicular
cervical
axillary
anterior thoracic
posterior thoracic
abdominal
humeral
Definition
interclavicular: in the midline
cervical: extends towards neck
axillary: at junction with wing
anterior thoracic: in body cavity
posterior thoracic: in body cavity
abdominal: in body cavity
humeral: within the humerus
Term
[image]
Definition

1. Trachea

2. Syrinx

3. Bronchus

4. Secondary bronchus

5. Air sac

6. Recurrent bronchus

7. Tertiary bronchus

8. Gas exchange of moving air

9. Lungs

10. Atrium

Term
How many ovaries do hens have and where are they found?
Definition
one
-on left side
Term
What structure catches the egg yolk?
Definition
ostium
Term
Where is albumin formed?
Definition
glandular region of the oviduct
Term
[image]
Definition

1. ovary

2. ostium

3. ?

4. isthmus

5. uterus

6. urodaeum

Term
What structure deposits shell membranes?
Definition
isthmus
Term
What structure deposits calcareous shell?
Definition
uterus
Term
How are feathers removed from poultry?
Definition
-scalding loosens them
-machines with rubber fingers remove them
-pin feathers are removed manually
Term
How are feathers removed on ducks & geese?
Definition
-scalding loosens them
-machines with rubber fingers remove them
-dipped in hot wax which is pulled off after cooled & set
-manual removal of remaining feathers
Term
Describe the steps of poultry slaughter
Definition
1. stunning & exsanguination
2. suspend by head, oil gland is removed
3. dorsal incision to remove crop & trachea
4. suspend by feet, insicion around cloaca to remove viscera & cloaca
5. remove liver & gall bladder
6. incision in gizzard to remove lining & contents
7. remove heart from viscera & trim it
8. remove remaining viscera
9. suction removal of lungs, kidneys, ovaries/testes
10. remove head & feet
11. chill carcass in an ice+water bath
12. pack givlets into carcass
Term
What is the maximum temperature at which you can store an uneviscerated carcass with minimal bacterial growth?
Definition
7C
Term
What parts make up the giblets?
Definition
neck, gizzard wall, liver, heart
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