Pig glossary

Late returns-to-oestrus

They are returns-to-oestrus that appear long after the mating (between 45 and 59 days after). They can be caused by:

  • Non-detected abortions.
  • Two regular returns-to-oestrus, the first non-detected.
  • A non-detected irregular return-to-oestrus, followed by a regular return-to-oestrus.
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