Explanation should include
- causes of abortion
- poor nutrition
- trauma
- leptospirosis
- equine herpes viruses (EHV-1 and EHV-4), rhinopneumonitis
- placentitis
- equine viral arteritis
- bacterial agents
- twinning in mares
- fescue toxicosis
- pneumovagina
- preventions for abortion
- Caslick’s suture
- separation of pregnant mares from non-pregnant horses
- herpes vaccinations at five, seven, and nine months.
Teacher Resources:
Process/Skills Questions:
- What is the difference between equine abortion and stillbirth?
- What is one cause of twinning in horses?
- What is Overo lethal white syndrome?
- What vaccinations should be given at five, seven, and nine months of gestation to prevent equine abortion?
- How soon should pregnant mares be removed from endophyte-infected fescue prior to parturition?
- When should a pregnant mare’s nutritional intake increase?
- What risks should be addressed for the personnel handling aborted fetuses?