Ideally, Albendazole would be the way to go with molting birds. You can order it in the link below. It's getting harder to find, I think there's a manufacturing issue.
The dose for the Albendazole in the link below is 0.08ml per pound of weight given orally once, then repeat in 10days. This will treat most worms except for Tapeworms.
https://horseprerace.com/albendazole-oral-liquid-for-horses-cattle-sheep-500ml/
The dose for the Albendazole in the link below is 0.08ml per pound of weight given orally once, then repeat in 10days. This will treat most worms except for Tapeworms.
https://horseprerace.com/albendazole-oral-liquid-for-horses-cattle-sheep-500ml/