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132 Cards in this Set

  • Front
  • Back
Name some Poultry Class breeds
American

Asiatic


English


Mediterranean



Cornish Game Hen factors for slaughter


5 to 6 weeks old

less than 2 lbs

Broiler or Fryer factors for slaughter
less than 13 weeks old, but most are 6 1/2 to 7 1/2 weeks old



2 1/2 to 3 1/2 lbs



Roaster factors for slaughter
3 to 5 months old
Capon factors for slaughter
Castrated Male

Less than 8 months old

Hen Fowl or Baking for slaughter
Mature Female

greater than 10 months old

What are the factors for Poultry Grading?
Condition (wholesomeness)



Class (by sex and age)




Quality (desirability of carcass; how many dressing defects, amount of meat, thickness of muscling, color of skin)

What is something that they look for in chicken when grading that they dont look for in other species?
Broken bones in wings and legs
What do they look at when grading eggs?
Interior Quality

Exterior Quality


Weight

What do they look for when grading the interior quality of eggs?
White and yolk

Size of the air cell



What do they look for when grading the exterior quality of eggs?
Cleanliness of shell

Soundness of shell



What are the grades of eggs?
AA

A


B


inedible or loss

What are the egg sizes?
Jumbo 30 oz

Extra Large


Large


Medium


Small


Peewee 15 oz

What is the most widely consumed meat?
Pork and accounts for 40% of the world's meat consumption
What animal is being slaughtered the most?
Hogs
What are the top states for cattle slaughter?
Nebraska

Kansas


Texas

What are the top states for Hog slaughter?
Iowa

North Carolina

Minnesota



What are the top states for Chicken slaughter?
Georgia

Arkansas


Alabama

What are the top states for Turkey slaughter?
Minnesota

North Carolina

Arkansas


For Broiler production in the U.S, what rank is Oklahoma?
11th
What are the top 3 Chicken industries on the market?
Pilgrims Pride

Other


Tyson Foods

What is the ideal flesh condition of feeder cattle?
light medium
What term is given to feeder cattle of predominantly English breed type?
Okies
What breed type would be called a "Featherneck" or "Whiteface?"
Hereford
Which muscling score of feeder cattle is the thickest?
1
What is the top reason for selling cows?
Old age
Which body condition score is the most ideal for cattle?
(In the middle) 4, 5, 6 range
What was the first and most well known USDA Certified Program?
Certified Angus Beef
What was the most effective instrument to predict cutability of live animals?
Ultrasound
What is a negative of beef instrument grading?
Cant estimate maturity
What was the first instrument that used to measure cutability to determine value in pork?
Fat-O-Meter
How many hogs are slaughtered in U.S. each year?
Over 100 million
What is the number one importer of US pork on a value basis?
Japan
What is the avg dressing percentage of hogs?
75%
What fat thickness measurement is used to calculate US grade?
Last rib
Which of the following is NOT used to calculate fat free lean?

A. loin eye area


B. hot carcass weight


C. 10th rib fat thickness


D. first rib back fat

First rib
What are the top 5 swine producing countries?
China 52.5 million tons

European Union


United States


Brazil


Russia

Where does the U.S. rank in terms of swine production?
2nd
What are the top 6 swine producing states?
Iowa

North Carolina


Minnesota


Illinois

Indiana

Nebraska




Where is oklahoma with swine production?
Ranked 8th
Many hog farms are becoming ___________ ___________.
Vertically integrated
What does it mean to be vertically integrated?
The owner owns all phases of production
Describe the geographic shift in hog production
Sows are leaving the corn states

Hogs went to N.C. because N.C. developed a better system


Hogs are moving west to get away from rain and people

Name a few ways the trends are changing in the U.S. swine industry.
Fewer and bigger hog farms

Specialization

Integration of production and packing


What are the top 3 US Hog Farms?
Smithfield Foods

Conti Group

Seaboard Farms




What is the estimated daily slaughter # at Smithfield foods?
A little over 80,000
What are the pork production phases?
Breeding/gestation

Farrowing


Nursery


Growing/Finishing



What does the farrowing process involve?
process of the sow/gilt giving birth

farrowing stalls

What are all-in/all-out types of production?
Completely empties a barn between groups of hogs that allows for cleaning, disinfection, and better disease control
How do you categorize swine breeds?
Colored: Paternal - muscle, growth traits, leanness



White: Maternal - milk, litter size, mothering ability

Hybrid Vigor (heterosis)
occurs when the offspring are better than the average of their parents for a particular trait
Approximately what percentage of hogs marketed annually in the U.S. are crossbred?
95%
Rotational Crossbreeding System
use either three breeds rotated in order or two breeds in a criss-cross manner

-maintain 86% heterosis in offspring and sows


-most common crossbreeding system

Terminal Crossbreeding system
differs from a rotational in that all offspring from the terminal mating are marketed and no replacements are kept

Two types:


1) Two breeds


2) Two breed X-bred mated to boar of third breed


-Maintain 100% heterosis in both the sows and market animals

Rotaterminal System
Combines the rotational and terminal breeding systems. Top females are selected and used in a rotational cross that produces replacement gilts. Maternal breed purebred boards are used in this rotation. The replacement gilts are then mated to terminal boars for market production.
What are things unique of pork as a meat species?
1. Highly susceptible to stress (metabolism)

2. Dressed/harvested (slaughtered) differently


a. Monogastric digestive system (simple stomach)


b. Skin on


c. Feet on


d. shortest gestation; litter size = largest

Characteristics of visual evaluation on hogs.
-Subjective

-Less accurate than real-time ultra sound


-Less expensive, more convenient


-Still important for selection decisions


-Still important for marketing decisions

What are the value determining traits in Hogs?
Weight

Dressing %


Leanness


Muscle

Leanness characteristics for Hogs
10th rib



Last rib fat thickness

Muscle characteristics for Hogs
Loin muscle area



USDA muscle score

Average live weight for Hogs
280 lbs
Average DP for Hogs
75%
Affecting factors for DP of Hogs
Fill, muscle, fat
Average carcass weight for Hogs
210 lbs
Average length for Hogs
31 inches
How do Hogs get fat?
top to bottom

front to rear


gender effects


- gilts are leaner than barrows

What is the shape of a hogs ass that is desirable?
Upside down cup
Lean hogs have an eye view shape of what?
Hour glass shape
Fat hogs have an eye view shape of what?
Boat shape
1. Jowl

2. Blades


3. Forerib


4. Elbow Pocket


5. Loin edge


6. Flank


7. Tail Head


8. Ham Seam

Describe Last Rib Fat Thickness in Hogs
Used for calculation of USDA grade



Only measure of fat on the carcass used in the industry

Describe 10th rib fat thickness
3/4 lengths of the eye muscle; corresponds with "loin edge"



Used to calculate % muscle




Avg: 0.7 inches

1. Shoulder

2. Forearm


3. Loin (top)


4. Ham/stifle

What muscle does the LEA come from?
Longissimus dorsi
What is the average LEA?
6.0 in. squared
2 Factors of USDA carcass grading for hogs?
1. Last rib back fat


2. muscle score

How do you determine the USDA grade for a hog carcass?

The formula

(4 * LRBF) - MS
As far as grading, what happens with thin muscled hogs?
ineligible for USDA #1
Thick = ?



Average = ?




Thin = ?



3



2




1

Avg of three backfat measurements for Hogs:
First Rib

Last Rib

Last Lumbar Vertebrae





What is the formula to determine average back fat for hogs?
ABF = (First Rib + Last Rib + Last Lumbar Vertebrae) / 3
How do you find pounds fat free lean for hogs?

Formula

55 + LEA - (12*10th rib fat depth)
Give some beef grading fact
Optional

Paid for by packers and processors


Must be inspected


60% of all beef harvested is federally graded

Positive for USDA Grading
Sorts carcasses based on relative palatability and cutability

Fast (over 400/hr)


Non-invasive


Relatively inexpensive



What is a negative for USDA Grading?
Criticized for its "subjectivity" and human "fallibility"
Name some beef grading instruments
NMR, NIR, Ultrasound, VIA, CAT-Scan
What are some instrument grading negatives?
Cant determine skeletal maturity

Adjusted PYG (fat thickness)

KPH



Operator error

Live evaluation tools:
Probes


Scales


Ultrasound


K^40 Counter


Anesthetic


CT-Scan


MRI

Describe the Fat-O-Meter
Backfat thickness and loin muscle thickness in mm and lean reflectance



The carcass lean meat percentage

Describe AutoFom
Carcass Lean Meat Percentage

Fat Thickness


The commercial value of each carcass


Weight salable meat on specific commercial cuts

Describe UltraFom 300
Backfat thickness and loin muscle thickness in mm

Carcass Lean meat percentage


Ham Fat thickness

What is QUALITY?
A product that conforms to a set of standards

A product that meets consumers wants and needs

What does it mean to say "calves are even?"
this means less than 150 lbs variation in weight from light to heavy for yearling cattle; 100 lbs variation in calves
What does it mean to "calves are uneven?"
means weight variance in yearling cattle between 150 lbs & 200 lbs; 100 & 150 lbs for calves
What does it mean to say "calves are VERY uneven?"
means variance over 200 lbs for yearling cattle; over 100 lbs for calves
For calves, what does it mean to say "short age?"
Not used with yearling cattle, ONLY calves and those in excellent condition and still their mothers
What does it mean to "Medium age?"
Calf with an average home (not starved)
What does it mean to say "Long age?"
A calf that has had very poor growing conditions
Flesh condition


For feeder cattle, what does it mean to say "Dead poor?"
Do not try to sell this type; buy feed and improve their condition
Flesh condition



For feeder cattle, what does it mean to say "Thin?"

Lightly fleshed due to possible poor pasture conditions
Flesh condition



For feeder cattle, what does it mean to say "light medium?"

(slightly fleshy) - these are ideal feeder calves; strong and healthy with little fat
Flesh condition



For feeder cattle, what does it mean to say "medium?"

fleshy
Flesh condition



For feeder cattle, what does it mean to say "heavy medium?"

very fleshy
What are the three condition scores for feeder cattle?
Thin


Average (Par)


Fleshy




Define Okies (#1,2,,3)
Predominantly English; possible cross with Dairy or Exotic
Define Exotics (Exotic #1,2,3)
Cross of at least 3/4 continental breeding
Define Brahman crosses (Cross #1,2,3)
1/8 to 3/4 Brahman
Define Purebred or High Grade (Brangus #1, Hereford #2, Holesteins)
Use breed name and classifications
How are feeder calves and yearling evaluated?
Frame Size



Muscle Score

Feeder cattle muscling #1
Moderately thick throughout; showing a rounded appearance through the back and loin with moderate width between the legs
Feeder Cattle muscling #2
Slightly thick throughout; showing a rounded appearance through the back and loin with slight width between the legs
Feeder Cattle muscling #3
Thin through the forequarter and the middle parts of the round; back and loin have a sunken appearance; legs are set close together
Feeder Cattle muscling #4
Less thickness than the minimum required for #3
Cull Cows bring in how much gross income for ranches?
20%
Non-fed cattle brings in what percentage of the US Beef Supply?
20%
What season during the year does culling occur?
Fall
What are the top reasons for culling cows?
Old age (teeth)

Non-pregnancy status


Economic status, drought, herd down-sizing


poor production


lameness, eyes, disposition

What are the two factors affecting price within season?
Dressing %



Body Condition

How do you determine the DP?
CW / LW * 100
Factors affecting DP
Fatness or Body Condition
Packers who slaughter "cull cows" NEVER use official ________ _______.
USDA grades
For the body condition scoring system, what does #1 mean and what does #9 mean?
#1 = Emaciated



#9 = Obese

Describe White Fat Market Cows
Most cows culled are on pasture and/or hay

Yellow color to fat tissue




Cows can be fed grain (corn, milo) for 60 days




Produces carcass with white fat (more desirableappearance)




Only certain packing plants (direct sale)

Which breed of swine is characterized by erect ears and black with a white belt?
Hampshire
Which breed of swine is solid red in color?
Duroc
What is the usual gestation length of sows?
3 months 3 weeks 3 days
How are piglets identified for pig # and litter?
Ear notches
what is the primary product made from pork bellies?
Bacon
What is the typical weight of market barrows and gilts?
230 lbs
Which of the following is not one of the four lean cuts of a pork carcass?

A. Ham


B. Loin


C. Belly


D. Picnic shoulder

C. Belly
Which of the following is not a factor used to determine fat free lean of pork carcasses?

A. HCW


B. LEA


C. 10th rib fat thickness


D. Last rib fat thickness



D. last rib fat thickness
What instrument was first used to measure lean percentage of pork carcasses and still used in many packing plants today for value based pricing assessment?
Fat-O-Meter