How often should a fecal test be done?

There are no hard and fast rules and it depends a lot on individual circumstances. A horse/pony with a high burden may require re-testing quite soon after a prescription to ensure there is no existing resistance to an active ingredient and to establish a new base line for future tests, other low risk categories we suggest every 10-12 weeks but this will be discussed with you on an individual basis when you first test has been carried out.