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Ansc 108 exam 2 (1)
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Exam of 2 pages for the course Body systems at Body systems (Ansc 108 exam 2 (1))
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Ansc 108 exam 26 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
Advantages of rotational cross breeding - ANS-- replacement sows provided within
system
All-in All-out - ANS-A management practice where a barn is completely emptied
between groups of hogs for better disease control
Barrow - ANS-Castrated male
Disadvantage of terminal crossbreeding - ANS-Replacement females must be
purchased as none are generated
Disadvantages of rotational cross breeding - ANS-- lower heterosis than the terminal
system
- reduction in growth potential and carcass merit due to the emphasis on maternal traits
Factors used to calculate SPI (sow productivity index) - ANS-1. Number born alive
2. adjusted 21 day litter weight
How many tits on each side? - ANS-12, 6 per side
Main source of carbs in diet - ANS-Corn
Main source of protein in diet - ANS-Soybean meal
Sow gestation length - ANS-114 days
Terminal cross breeding system - ANS-Differs from rotational in that all offspring from
the terminal mating are marketed and no replacement gilts are kept
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