https://www.amazon.com/Durvet-Ivermectin-Paste-Equine-Dewormer/dp/B08TX2YRY7/ref=sr_1_5?dchild=1&keywords=ivermectin+horse+paste&qid=1628647048&sr=8-5
seems like its pricey wait for the price to drop i got a 3 pack for $26 & i was eyeing a 6pack for $40