This is a not uncommon condition particularly in old sows. Large cysts develop in the ovaries which often, but not always produce high levels of oestrogen.
Symptoms
Piglets, Weaners & Growers
- N/A
Sows
- Abnormal heat.
- Not accept the boar at mating.
- Continually on heat.
- Infertility.
- Repeat matings.
- Pigs show pain / discomfort.
- May grind teeth.
Causes / contributing factors
- Age.
- Mycotoxins.
- Breeding.
- Hormonal malfunctions.
- Mouldy bedding or food.
- Badly stored grains.
- Poor feed bin hygiene.
Diagnosis
This is usually made on clinical grounds and normally only involves individual animals. Carry out a post mortem examination of the ovaries.