Without going back through all the posts, where was a capsule mentioned? If you first hit the quote button, then ask the question, you can be sure that the reader has the right context to answer your question.
But regarding pills and capsules, I give them to most of my birds directly all the time. Unless they are small chicks or bantams, adult LF chickens can swallow very large things, and open their mouths very wide. I have seen them swallow small mice whole!
Birds that can be caught can be given liquid medication by oral syringe. If they can be taken to an area away from the flock for a moment, liquid medication can be soaked up in bread and given as a treat (if it doesn't taste bad), or it can be mixed with a small amount of food that will be eaten all at once. If the medication is a capsule or a pill, the medication can be given directly (like "pilling" a dog or a cat), or it can be wrapped in a piece of bread or tiny piece of pancake or wrapped in a flat piece of "Greenies Pill Pocket" material (the chicken flavored ones made for dogs work the best for poultry) and offered by hand as a treat, or place in a small bowl with a tablespoon of grain where it will likely be readily eaten. Some poultry will eat some pills directly without them being wrapped in anything. I once had a pet chicken with heart disease. She was on numerous medications. She was fed four times daily, and there were numerous medications included with each meal. The liquid medications were soaked up by her crumbles, or mixed into yogart or cooked rice or baby food, and the pills and capsules were just set in the bowl on top of the food. She ate everything readily. There was only one tablet that she ever disliked. It was a nasty tasting antibiotic. She picked it up in her beak, mouthed it a few times, and dropped it. That was the only one that ever had to be disguised. I wish all my birds were so cooperative!!
