What can i give my racing pigeons for wet noses and breathing problems?

When I'm dropping the forma drops in the eye it can't run away and take several seconds to pass?

I have problems with my birds sneezing and scrathing. I had them tested at the vet and it came back positive for E. coli in the throat?

Some of the racing pigeons in my loft have a white spot on the tonsil?

Have you ever heard of Denagard or Tiamulin to use for respiratory?

Mijn duiver heeft een licht rode oogrand. Hoe kan dat behandeld worden?

Mijn duiven hebben last van vuile neuzen. Wat kan ik eraan doen?