chicken grandma, please stop now. Enough is enough. If you do not agree, fine. I strongly suggest that you agree to disagree and move on.
Most people do not take their chickens to the vet. Most vets do not see chickens. Many simply refuse or charge astronomical amounts of money for their...
Pine Grove has been a breeder for over 50 years and is an NPIP tester for the State of GA. I will take his recommendation to the bank any day.
The simple truth is that every wormer, other than that marginally effective Wazine (roundworms only), is off-label. There really are no chicken wormers...