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8 Cards in this Set
- Front
- Back
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age at 1st farrowing
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11 mo
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puberty
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5-7 mo
vietnamese potbellies 2-4 mo |
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estrous cycle
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avg 21 d
estrus receptive 24-72 hrs ovulation 7 hrs during 2nd day of heat |
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mating systems
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pen mating
hand mating AI |
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increasing ovulation rate
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breed gilts on 2nd heat or later after puberty
select females from larger litters or use more prolific breeds "flushing" - increase energy intake 2 wks prior to breeding, end day after breeding |
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how often do you breed in hand mating systems
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every 12 hours (3 times)
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when do they ovulate
life span of oocyst what do you do after breeding |
will ovulate 24 hrs after heat (max 48 hrs)
life span of oocyst = 12 hrs leave sow alone, confined for 30 days - impt b/c that is when maternal recognition occurs |
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what does it take to maintain preg
when does maternal recognition occur length of preg |
need at least 4 embryos at day 12
maintained by CL b/w day 10-14 is when embryo elongates and maternal recognition occurs 3 mo 3 wks 3 days |
