The link below is a table detailing the FDA approved anthelmintics. Not all of the anthelmintics listed are labeled for sheep. Check the FDA approved species column (4th from left) to make sure it is safe to use with sheep.
As breeding season approaches for most flocks across the country making plans for this important season is often overlooked. Aside from the essential first step of making sure you have enough “ram power”, there are a series of other management procedures and techniques that can be used to ensure the season is a success.
The parasites that infest sheep can be an enormous drag on sheep production. Year in and year out, they probably cause more death and disease in some producers’ lamb crops than any other single factor, including predators.
Parasites are largely thought of as a limiting factor in sheep production, especially on pasture. According to the SID Sheep Production Handbook, larval development on pasture and the subsequent ingestion of the infective larval by sheep is affected by many factors, especially temperature and moisture.