Dosage -cipro for pekin adult duck

[DuckDuckGuinea]

I cannot find my old rx bottle vet gave me.
Chronic hock joint infection and need to restate Nellies antibiotic.
Can someone please confirm correct dosage of
Ciprofloxacin for my sweet 6.5 pound 1.5year old pekin please?
[email protected]

 

[Stamper]

I'm looking for this also. Did you ever find an answer? I have a sick duck but she weighs no where near 6.5 pounds.