Sounds like plan.I will do that...I have been thinking I probably needed to do a worming soon anyway so now is as good a time as ever...and if I treat him I will go ahead and treat my girls as well. Thanks, I hadn't thought about worms contributing to slowed crop.
Great link about deworming.
https://www.backyardchickens.com/t/812128/worming-with-horse-wormer