* May be a slight [[General_Pathology_-_Oedema|oedema]] of the vulva and a mucoid discharge.
* May be a slight [[General_Pathology_-_Oedema|oedema]] of the vulva and a mucoid discharge.
* Generally mares return to oestrous about 6-10 days after foaling.
* Generally mares return to oestrous about 6-10 days after foaling.
−
** Called a ''''foal heat'''' because often the foal develops [[Diarrhoea|diarrhoea]] at this time, which makes the oestrus easy to detect.
+
** Called a ''''foal heat'''' because often the foal develops [[Intestine Diarrhoea - Pathology|diarrhoea]] at this time, which makes the oestrus easy to detect.
*** Fertility may not be high at 'foal heat' oestrus.
*** Fertility may not be high at 'foal heat' oestrus.
* Mares with an older foal at foot may not show signs of oestrus, as they are protective of the foal (''''foal shy'''').
* Mares with an older foal at foot may not show signs of oestrus, as they are protective of the foal (''''foal shy'''').