Well, that was hard.
First i tried paste on broken cheerios and bran flakes. No good. Paste on breast feathers and scraped off on rocks. The other hen was smarter and dropped the cheerio piece right away in the dust.
Take 2 was more effective, but pretty ridiculous. I found out that chicken mouths can be opened only from the bottom! Duh. But i was trying to open the top. Anyway, opening the bottom of their beaks was hard enough. Their necks are so flexible!
I got the 2 dosed that I decided to dose. .16 on a 1 cc syringe. .18 for the big hen. A big medium.
Thanks for your help.