If the standard soaks don't help. You can try a product called tricide neo. I used it on my ducks and the stuff works fast. Just mix it in warm water, hold their feet in it for about 5 minutes a day, and make sure they don't drink it.
I free range ducks and chickens. It's a matter of luck and numbers. Having a big rooster helps, he'll get loud if a hawk or something else is around. I find hawks will perch and watch him, calculating whether or not it's worth trying to tussle with a rooster.(He has fought and won fights with...
I wouldn't take it personally. I've had a flock of Khakis before, they are a really skittish breed. I have 2 left and they will eat from my hand, but it took a few years for that habit to happen. Even when she does, any slight movements and she'll back off quickly and rethink about eating some...
I think you have buffs. I've hatched 3 ducklings from my Pekin and Khaki and they've all come out looking similar to Black Swedish, with a shimmer of brown.
http://puu.sh/oZ7zm/2cf478bc36.jpg
http://puu.sh/qWIVg/92f2990333.jpg
I bought a set of 6 Ancona Eggs off ebay 2 months ago and they all hatched and are growing great. I love them, they are really sweet ducks and they mingle with the other group of ducks well enough that they are starting to merge into one group now. Their colors are amazing!
Here is P.K(Pekin) and his son K.P (Khaki Pekin) also known as 'Wingtip' because he has some pekin white at the tip of his wings, which he still has after 2 months now. He is almost as big as his dad. Which is crazy considering he was the size of an egg when I hatched him with some ancona...