Exam (elaborations)
TAMU ANSC 108 Exam 2
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TAMU ANSC 108 Exam 2
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TAMU ANSC 108 Exam 2Advantages of Rotational Crossbreeding - ANS-No inbreeding
Average dressing % for cattle - ANS-62%
Average dressing % for sheep - ANS-52%
Average dressing % for swine - ANS-72%
Cross breeding systems - ANS-1. Rotational systems
2. Terminal crossbreeding
3. Roterminal systems
Disadvantages of Rotational Crossbreeding - ANS-Lower heterosis than the terminal
system and reduction in growth potential and carcass merit due to emphasis on
maternal traits.
Equation used to calculate lamb yield grades - ANS-0.4 + (10 X Adjusted Fat
Thickness)
Equation used to calculate swine yield grades - ANS-(4 X Last Rib Back Fat) - muscling
score
Gestation length of a sow - ANS-114 (110-120) Days
How do you estimate LEA in hogs? - ANS-(muscle score X live weight/100) + 0.5
How does Texas rank among various aspects of beef cattle production? - ANS-Ranks
first in beef cattle numbers (14.4%) and second (19.2%) in the nation in total number of
cattle on feed behind Nebraska (19.5%)
How many servings of beef can 1 steer provide? - ANS-540 servings of beef
How many teats should a sow/boar posses on each side? - ANS-12 evenly spaced,
functional, fine textured teats.
Know how to read eat notches - ANS-
, Label the female reproductive tract - ANS-
Label the parts of a steer - ANS-
Main source of protein in swine diet - ANS-Soybean meal
Name the top swine producing states - ANS-1.Iowa
2.North Carolina
3.Minnesota
4.Illinois
5.Idiana
Top Seedstock Operations - ANS-1. Express Ranches, OK
2. Gardiner Angus Ranch, KS
3. 44 Farms, Cameron, TX
Visual indicators of muscularity correlates with...? - ANS-Base Width
What accounts for the highest production cost in swine? - ANS-Feed accounts for
65-70%
What are different methods of identification for cattle? - ANS-1.Ear tattoo/ear tag
2.Hot branding
3.Freeze branding
4.Electronic ear tags
What are the 3 major production systems in beef cattle production? - ANS-1. Cow-calf
Produciton
2. Stocker Operation
3. Feedlot production
What are the 6 steps of baby pig processing? - ANS-1. Clip needle teeth
2. Cut navel cord
3. Iron injection
4. Dock tails
5. Castrate males
6. Ear notch
What are the accessory glands? - ANS-1. Vesicular Glands
2. Prostate Glands
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