Dosage for Terramycin Scours Tablets for adult hen?

[DownwardDog]

Our oldest had a massive tumor growing under her wing. I suppose no animal escape cancer, right?
As for dosing, all the literature I've read says 4 days. Do you do 7 days?

 

[Eggcessive]

What source are you seeing 4 days? Is that for cattle or chickens, and is that for a respiratory disease? A few years ago when oxytetracycline was available in powder for the water, this is the dosage for chickens—7 to 14 days:
https://www.drugs.com/vet/oxytetracycline-hcl.html