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Poultry Evaluation Midterm
Poultry Evaluation Midterm
147
Agriculture
Undergraduate 2
08/15/2017

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Cards

Term
grades given to ready to cook carcasses
Definition
-A
-B
-C
Term
some things to examine when evaluating meat chickens
Definition
-Body conformation
-Fleshing
-Finish
-Deformities
-Body size (breast meat quality)
Term
some details about the American Standard of Perfection
Definition
-Composed of breeds with specific bloodlines
-The book defines what a specific breed is supposed to look like
-Imperfections meant automatic disqualification!
-it is the foremost authority to poultry
judges, breeders and exhibitors
-it is a reference for anyone trying to breed quality poultry
Term
some things about finish to examine when evaluating meat chickens
Definition
-Fat covering and such
-Birds have fat outside the muscle
Term
abdomen characteristics of a poor layer
Definition
-Firm
-thick skin
Term
comb/wattles characteristics of a good layer
Definition
-Full
-red
-glossy
Term
objectives of breeder selection regarding deformity
Definition
-Genetic propensity
-genetic defects
Term
to evaluate a chicken breed, examine...
Definition
-Head and body characteristics
-Plumage
-carriage
Term
vent characteristics of a good layer
Definition
-Large
-moist
Term
objectives of breeder selection regarding uniformity
Definition
-Performance
-efficiency
Term
abdomen characteristics of a good layer
Definition
-Pliable
-thin skin
Term
comb/wattles characteristics of a poor layer
Definition
-Shriveled
-pale
-dry
Term
vent characteristics of a poor layer
Definition
-Small
-dry
-puckered
Term
some things to examine when evaluating egg exterior quality
Definition
-Soundness
-Cleanness
-Shape
-Texture
-Thickness
Term
some things about body conformation to examine when evaluating meat chickens
Definition
-Symmetry
-Proper proportion?
-Well balanced?
Term
some things about fleshing to examine when evaluating meat chickens
Definition
-The amount of meat; muscling
-Is the muscling correct?
Term
pubic bone characteristics of a poor layer
Definition
-Thick
-close together
Term
pubic bone characteristics of a good layer
Definition
-Thin
-well spread
Term
what you want the feet and shanks to look like in a laying hen
Definition
-bleached thru the hocks and the top of the toes
-they should be thin and have a groove down the side
Term
some defects of the comb that can occur in chickens
Definition
-coarse
-irregular
-twisted
Term
some things to examine when evaluating the plumage of a chicken breed
Definition
-color
-pattern
-quality
Term
some defects of the shanks and feet that can occur in chickens
Definition
-crooked toes
-spurs on females
-dark spots on shanks
Term
some defects of the feathers that can occur in chickens
Definition
-foreign color
-markings not indicative to breed
-Indistinct
-irregular
-brassy
-mossy
-frosty
-mealy
Term
some deformities that can occur in broiler breeders
Definition
-green shanks
-severely crooked toes
-solid black feathers
-permanent absence of main tail feathers
-wry or crooked neck
-leg and foot abnormalities that affect the bird's ability to walk
-crossed beak
-blind in one or both eyes
-severely crooked back
-severely crooked keel
Term
the factors past egg production birds are judged on
Definition
-persistency
-intensity
-health
-vigor
Term
some things to examine when evaluating the head and body characteristics of a chicken breed
Definition
-weights
-shape
-color
-comb
Term
some criteria to examine when evaluating ready to cook carcasses
Definition
1. Exposed flesh
2. Missing parts
3. Disjointed/broken bones
Term
some things to examine when evaluating egg quality
Definition
1. Interior quality (candling)
2. Broken-out quality
3. Exterior quality
Term
past production hens are ranked by...
Definition
1. Pigmentation loss/bleaching
2. Handling qualities
3. Abdominal capacity
4. Molt
Term
how many primary feathers does a hen have on each wing?
Definition
10
Term
British isles banned cockfighting in ______
Definition
1835
Term
the American Standard of Perfection was first published in ______ by ______
Definition
1874
the American Poultry Association
Term
why homegrown doesn't always mean healthier and safer
Definition
1: bacteria and viruses more prevalent in backyard flocks mainly because of not being fed right
2: often inadequate nutrition for the home flock
Term
factors of placing a class of laying hens in order of importance (write this!)
Definition
1: pigment loss (you want bleaching)
2: handling quality (you want better handling quality)
3: abdominal capacity (you want larger abdominal capacity)
4: molt (less molt is better)
Term
order in which bleaching occurs in laying hens (write this)
Definition
1: vent
2: eye ring
3: ear lobe
4: beak
5: bottom of foot
6: entire shank
7: hock and top of toes
Term
the order in which bleaching occurs in a laying hen
Definition
1: vent
2: eye ring
3: ear lobe
4: beak (corner of the mouth toward the tip)
5: bottom of the foot
6: pigment loss over the entire shank (front and back sides)
7: the hock and top of the toes
Term
Louisiana last state to ban cockfighting in ______
Definition
2008
Term
Chickens domesticated about ______ yrs ago
Definition
8000
Term
Classes of heritage chickens
Definition
American
English
Continental
Mediterrannean
Asiatic
Term
______ seems to be the ancestor of birds
Definition
Archaeopterix
Term
variety
Definition
Birds within a breed with differentiating characteristics such as plumage color, plumage pattern, and comb type
Term
strain
Definition
Breeding stock produced thru at least 5 generations of closed-flock breeding
Term
one reason egg shape is important
Definition
Deviating from this can create shipping problems, because the cartons are made for one shape
Term
Ancient practices for chickens are still used in ______
Definition
Egypt
Term
some ancient cultures that seem to have kept chickens
Definition
Egyptian, Roman, and Greek cultures seem to have kept chickens
Term
features of Archaeopterix
Definition
Had both reptilian and avian features
Term
breed
Definition
Having a common origin with specific characteristics that distinguish them from other groups, such as body shape, size, and skin color
Term
how to tell if a hen will lay white or brown eggs
Definition
Hens with white ear lobe generally lay white eggs and hens with brown ear lobe generally lay brown egg
Term
how laying eggs affects the bones of laying hens
Definition
If they been laying, they got brittler bones, so don't break their bones.
Term
some handling qualities that factor into the ranking of past production hens
Definition
Is the back straight?
Is the keel straight?
Term
the importance of molt in ranking past production hens
Definition
Molt is an indicator that the chicken has stopped laying eggs. Therefore, the one with molt gets placed lower.
Term
how age of hen affects egg shells
Definition
More discrepancies with egg shells the older the hen gets
Term
importance of Pigmentation loss/bleaching in ranking past production hens
Definition
More eggs laid, more bleaching in the shanks and scales
Term
criteria for selecting the right chickens
Definition
Purpose
Geography
Available space
Temperament
Term
The most popular American chickens
Definition
Rhode Island reds
plymouth rocks
New Hampshires
Term
chicken with huge feet
Definition
The Dong Tao chicken of Vietnam has very fat feet; it was bred that way, since it’s a delicacy there
Term
a superstition the Romans had regarding whether or not chickens ate
Definition
The Romans carried with them sacred chickens; they would starve them and turn them loose to eat; if they ate, that was a good omen; if they didn’t eat, that was a bad omen
Term
how age of egg affects broken-out quality
Definition
The older the egg, the more the protein in the egg breaks down; no diff in nutritive value, but quality issue
Term
what they do to the spurs on cockfighting chickens
Definition
The spurs on cockfighters are trimmed off and replaced with artificial spur when it’s time to fight
Term
we have how many classes of chickens?
Definition
We have 4 main classes of chickens (actually 5)
Term
how to count primary feathers in chickens
Definition
You count the primary feathers starting from the primary closest to the axial feather
Term
what you want in the breast meat of meat chickens
Definition
You want a long wide breast muscle
Term
what you want the abdominal capacity to be in past production hens
Definition
You want it to be bigger
Term
the American Standard of Perfection is...
Definition
a "complete description of all recognized breeds and varieties of domestic poultry."
Term
what's number 10?
[image]
Definition
abdomen
Term
what's number 2?
[image]
Definition
beak
Term
why eggs contain cholesterol
Definition
because cholesterol is needed for chick development
Term
why the white leghorn is the most popular egg producer
Definition
because it’s the cheapest per egg laid
Term
why do the shanks of hens bleach as the eggs are laid?
Definition
because the yellow goes to the yolk
Term
pigmentation characteristics of a good layer
Definition
bleached
Term
what you want the vent to look like in a laying hen
Definition
bleached, moist, large, and oblong in shape
Term
something other than air cell that's examined in egg interior quality
Definition
blood and meat spots
Term
what's number 5?
[image]
Definition
breast
Term
what's number 4?
[image]
Definition
breast
Term
what's number 6?
[image]
Definition
breastfill
Term
different feather types are associated with different...
Definition
breeds
Term
how you want the comb and wattles to be in a laying hen
Definition
bright red and glossy
Term
how you want the eyes to be in a laying hen
Definition
bright, alert, and round
Term
Blood spot
Definition
caused by when a drop of blood winds up in the yolk

these are actually inherited traits
Term
the levels of chicken taxonomy
Definition
class --> breed --> variety --> strain
Term
Chickens seem to have been domesticated originally for ______
Definition
cockfighting
Term
some defects of the eyes that can occur in chickens
Definition
color of iris foreign to variety
Term
what's number 1?
[image]
Definition
comb
Term
some defects of the breast that can occur in chickens
Definition
crooked keel
Term
Sex-links
Definition
cross bred chickens whose color at hatch is differentiated by sex.
Term
what's number 10?
[image]
Definition
drumstick
Term
what's number 14?
[image]
Definition
ear lobe
Term
what's number 15?
[image]
Definition
eye ring
Term
male junglefowl do this naturally
Definition
fight
Term
is it genetics or hormones that made the modern bird?
Definition
genetics
Term
what's number 3?
[image]
Definition
giblets
Term
what the American Standard of Perfection does for each chicken breed
Definition
gives a brief history, economic qualities, disqualifications, standard weights, shapes of the male and female, followed by detailed descriptions of the different varieties
Term
what's number 1?
[image]
Definition
gizzard
Term
pigmentation characteristics of a poor layer
Definition
golden yellow
Term
what's number 7?
[image]
Definition
ham
Term
how repigmentation affects laying hens
Definition
hens that show repigmentation are poor producers
Term
what's number 7?
[image]
Definition
hock
Term
Carriage
Definition
how a bird carries parts of itself
Term
Productivity
Definition
how efficiently hens are converting feed to eggs
Term
difference between blood spot and meat spot
Definition
if book doesn't say, ask Dr. Ritz
Term
Brown eggs are a little more expensive to produce due to...
Definition
increased feed cost to produce
Term
the intensity factors in egg laying hens
Definition
indicate the hen's current rate of production

determined by handling quality pubic bones, abdominal skin and vent, and lack of fat under the shank scales

additional: abdominal capacity and condition of comb and wattles
Term
what's number 6?
[image]
Definition
keel bone
Term
how combs and wattles serve as indicators of intensity in laying hens
Definition
laying hens with good intensity should have bright, glossy combs and wattles
Term
how you want the pubic bones to be when handling a laying hen
Definition
lean, trim condition
Term
what's number 9?
[image]
Definition
leg-quarter
Term
what's number 2?
[image]
Definition
liver
Term
what's number 13?
[image]
Definition
mid joint wing
Term
Good layers have (more or less) bleaching in the shanks
Definition
more
Term
is there any difference between homegrown eggs and commercial eggs?
Definition
most commercial eggs are just as fresh
Term
is there any difference in cholesterol content between homegrown eggs and commercial eggs?
Definition
no
Term
some defects of weight that can occur in chickens
Definition
over and under
Term
Meat spot
Definition
piece of skin that winds up in yolk, something like that
Term
the persistency factors in egg laying hens
Definition
pigment loss and molt

they indicate how long a hen has been laying eggs
Term
some things to examine when evaluating the carriage of a chicken breed
Definition
posture of back, wings, tail
Term
cost of homegrown eggs vs. cost of commercial eggs
Definition
production costs of homegrown eggs significantly higher than that of commercial eggs (1st year $8-12 per dozen of eggs)
Term
what's number 12?
[image]
Definition
pubic bones
Term
Feathers are actually modified ______
Definition
scales
Term
what's number 9?
[image]
Definition
shanks
Term
what's number 4?
[image]
Definition
shoulder
Term
Interior quality (candling) is based on...
Definition
size of air cell in egg
Term
you want the air cell in the egg to be large or small?
Definition
small
Term
Sex-link chickens are very popular for...
Definition
small flock and backyard flock markets
Term
a disadvantage of being featherless
Definition
sunburn easily
Term
what's number 13?
[image]
Definition
tail
Term
what's number 5?
[image]
Definition
tenderloin
Term
age of egg vs. size of air cell
Definition
the older, the larger
Term
The primary ancestor of the chicken
Definition
the red junglefowl in SE Asia
Term
health and vigor of a laying hen are indicated by...
Definition
the shape and brightness of the eye, proportional shape of the head, and the condition of the comb and wattles
Term
The only real difference between brown and white eggs
Definition
the shells of brown eggs are a little thicker
Term
a part where some very good layers may never bleach
Definition
the top of the toes
Term
the importance of head and body characteristics in evaluating chicken breeds
Definition
they are indicative of vigor and productivity
Term
characteristics of healthy, vigorous hens
Definition
they have round, bright, alert eyes and well proportioned heads
Term
what's number 8?
[image]
Definition
thigh
Term
what's number 8?
[image]
Definition
toes
Term
The penalty for participating in a cockfight
Definition
varies by state
Term
what's number 11?
[image]
Definition
vent
Term
what's number 3?
[image]
Definition
wattles
Term
flavor and color of egg yolk depend on...
Definition
what the animal eats
Term
when hens regain their pigment
Definition
when they stop laying eggs

repigmentation happens in the same order bleaching does
Term
classes of chickens are based on...
Definition
where they were first recognized or first developed
Term
how the abdominal capacity of a laying hen is measured
Definition
width x length (this is based on fingers)
Term
what's number 12?
[image]
Definition
wing tip
Term
what's number 11?
[image]
Definition
wings
Term
how you want the abdomen to be when handling a laying hen
Definition
you want the abdomen to be soft

softness means less fat, hardness means fat in the abdomen
Term
criteria of different grades for egg broken-out quality (might wanna draw this)
Definition
[image]
Term
wing of chicken in molt compared to wing of chicken not in molt
Definition
[image]
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