Oops,missed two!
6a heard one from the Balkans is bitter(5)
7d a few upset about second -class railway in undeveloped states(7)
Thanks in advance ,I'm sure someone will get them...
15a bloodsuckers latching onto a couple of donkeys--awfully big 'uns(8,4)
22d gets away from ducks perhaps?(6)
25d root to eat with salt and nothing more(4)...