What signs of Gapeworm are you seeing?
Could it be adjusting the crop?
Canker?
Safeguard Aquasol will treat Roundworms Only, so if you are wanting to treat Gapeworm, use Safeguard Liquid Goat Dewormer or Equine Paste. Valbazen can also be used. Dosing is below.
To treat most worms that poultry can have except for Tapeworm you can use Safeguard (Fenbendazole) or Valbazen (Albendazole). Both are given orally by weight; they do not mix well with water.
Safeguard dose is 0.23ml per pound of weight given orally once a day for 5 days in a row.
---OR---
Valbazen dose is 0.08ml per pound of weight given orally once, then repeated in 10 days
Here's how to give oral medications:
https://www.backyardchickens.com/ar...dications-to-all-poultry-and-waterfowl.73335/