You can also dose by grams of weight - .02 ml per 100 gms of weight of bird.
Honestly, for the liquid I usually just give them 1 to 3 drops, I don't worry too much about giving a little too much. In this case a bit too much is better than not enough.
Honestly, for the liquid I usually just give them 1 to 3 drops, I don't worry too much about giving a little too much. In this case a bit too much is better than not enough.