Exam (elaborations)
ANSC 108 Skaggs Exam 2
- Module
- Body systems
- Institution
- Body Systems
ANSC 108 Skaggs Exam 2
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ANSC 108 Skaggs Exam 2Advantages of rotational crossbreeding - ANS-Market hogs and replacement gilts are
produced.
Disadvantages of rotational crossbreeding - ANS-Lower heterosis than the terminal
system
Reduction in growth potential and carcass merit due to the emphasis on maternal traits
Does the rooster or the hen determine the sex of the chick? - ANS-Female determines
the sex of the offspring in the chicken. Female is heterogametic sex.
How are males and females raised? - ANS-Seperately
How is the head removed in all species? - ANS-Atlas joint
Between atlas vertebra and occipital condyles
How long does it take a baby chicken or turkey to hatch? - ANS-21 days for chicken
28 days for turkey
How long does it take to produce one egg? - ANS-28 hours
How long is feed withheld prior to harvest? - ANS-12 to 24 hours
How many days does it take to hatch a baby chick? - ANS-21 Days
How many eggs can a hen produce in a year? - ANS-285 eggs
How many turkeys are raised in the U.S. each year? - ANS-300 million
How much feed does it take to grow a pound of chicken? - ANS-Less than 1.9 pounds
How much feed does it take to produce a dozen eggs? - ANS-3.0 pounds
How to estimate the loineye area on a hog? - ANS-(2 x live weight/100) + 0.5
Is it hard or easy to prepare? - ANS-Easy
Is there nutrientional difference between white and brown eggs? - ANS-No
, Label all pig ear notches - ANS-
Label the dorsal view - ANS-Caruncles
Oviduct
Uterine horn
Ovary
Cervix
Bladder
Fornix Vagina
Vagina
List cuts from most tender to least tender - ANS-1. Tenderloin steak
2. Rib roast
3. Chuck roll roast
4. Round tip roast
Name the functions of the bulbourethral glands - ANS-Account for gel-like portion of
semen in boars.
Helps force semen from urethra at the time of ejaculation.
Name the functions of the prostate gland - ANS-Produces thin, watery fluid to cleanse
the urethra before ejaculation.
Urine is highly detrimental to sperm.
Name the functions of the vesicular glands - ANS-"Knobby appearance"
"Cluster of grapes"
Nutrients and Buffering
Turkeys are genectically selected for... - ANS-Breast meat
What 2 species are the carcasses split? - ANS-Cattle and Swine
What are buttons? - ANS-Soft cartilage tips on the outside of the chine bones that ossify
as an animal matures.
What are offal items and which is the most valuable? - ANS-1. Blood
2. Feet and shanks
3. Hide or pelt (most valuable)
4. Viscera
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