Reduce Risk of Autumn Infertility

Sows and gilts that are served from mid-September to late October may suffer from infertility problems including delayed oestrus, increased returns and abortions.
calendar icon 15 August 2012
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Predisposing factors include sows being weaned in poorer condition, warm days, cool nights and decreasing day lengths. There are some things you can do to minimise the risk:

  • Minimise draughts and ensure any cracks in ceilings and around doors are sealed
  • Increase the amount of bedding being used
  • Feed sows and gilts to body condition
  • Re-instate the winter feed curve
  • Provide 14 to 16 hours of light per day, of a minimum of 200 lux, from the beginning of August. Install a light timer, consider introducing more lights into dark houses and wash existing bulbs. Whitewashing walls/tents will also reflect light
  • Provide more physical boar contact pre- and post-service to provide ongoing support for the maintenance of pregnancy and to detect cycling sows.

August 2012
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