I use Eprinex Pour on, it's sold for cattle and is off-label for chickens. I get it from Jeffers.com, works a treat. I've also tried it orally by mixing it with feed/scratch and it seems to be equally effective that way. Also much easier and faster to administer, but somewhat less precise as...
I've just read through this entire thread and have gotten lots of good info and ideas for treating my flock of about a hundred birds. Mites seems to be the main problem for me right now, I've lost two birds in the last week and have put 2 into the Chicken ICU ward in the last two days as they...