Hey all! I noticed that my mare has a bunch of small (1/4"-1/2") patches of raised bald spots that don't go away. They're scattered all over her body, maybe twelve that I've noticed. They don't look like bug bites, or rubs. She doesn't have the large raised bumps along her spine that some wormy horses get.
I also noticed a bald patch that looked exactly like this on her belly that hasn't gone away:
I haven't seen her itch it but she doesn't lay down (arthritis/fusing hocks) so it's not like she's laying on anything.
I found this photo on a site dedicated to neck worms...
Anywho, I've always wormed evey other month, but she's been on free-lease for a year (clean grounds, only a mule on the property), though I've had her back for two months.
She's in a rural area with minimal access to vetcare for parasite testing, and some types of worms don't even show up on the tests anyway. I'd rather not do a Powerpak, though I've heard Quest is pretty strong.