I have been trying to find the dosage. Do you know how much he weighs? Some people use a cheap postal scale to weigh chickens. The dose I found on this thread is 10-40mg per Kg (each 2.2 lb) twice a day. That would be 40-160 mg twice a day for a 9lb chicken. On this same thread they talk about draining the pus under the swelling and looking up inside the roof of the mouth for pus pockets and squeezing from the roof of the mouth. Here is the thread I found this: https://www.backyardchickens.com/t/752480/polish-eye-injury-3-weeks-later-no-improvement-helpI hope others will give me some insight on this too I wasn't sure which dosage to order I ordered the 250 mg I thought the 500 sounded maybe to strong for a chicken how do I give him this in his water food or trick him by putting it in a treat?