Yes I know. I learned it from you remember? I was talking to someone that was giving a 7 year old hen Wazine. BTW my Safeguard finally came in-took FOREVER! I plan to administer tomorrow and hopefully they girls will cooperate and open their mouths!Wazine only gets round worms,,,Period. I only use it at 2 and 4 weeks of age. Safeguard 10 % liquid Goat wormer will get most worms , but must be repeated 10 days later to get eggs that hatch.