Two months later we moved and found out the niebors beside us owned the land behind our land on which they kept a whelsh pony and three cows all only wormed only once a year. So he had contact with this whelsh mare and started to get loose lose weight we fed him lucern all the time and started him on grain again. Chaff, maxi coat, dairy mix and copra ( coconut feed). But it just went through him so we wormed him with a wormer with moxidection in it twice in two weeks. This worked the supposed parisite seem to disaper and Aragon got chubby again. My Arab and the whelsh pony do not seem to be affected by this parisite. But then the gate to the paddock was left open between the paddocks and he got it again so it all happened again we wormed him with the product twice again and he stoped being loose but would not gain weight so after a while we put him our friends 250 acres of grass so he could eat all day but he has lost weight since he's been there (2 months).
So my question is what can I do we have had his teeth done and they are still not good but he still eats enough my arab is fat and eats half what Aragon does. I was thinking getting the vet out, a new dentisit out and trying diiferent feeds. What do you guys thing?