Aqua Zole is available for fish online here:
https://www.allivet.com/product/aqua-zole-metronidazole/52210.html?sku=52210-1&gclid=Cj0KCQiAgaGgBhC8ARIsAAAyLfGRHA1Y_tSIShUk7P30oFdvoUf5EWG7jprs7HTvrkH_3xGZqsjXlOcaAni8EALw_wcB
Yes, some use acidified copper sulfate. Hopefully it helps. It is...
If I had canker in my chicken, I would use metronidazole (Aqua Zole) 250 mg daily given orally for 5-7 days. Disinfect all waterers and feeders with 10% bleach water, and separate the 2 birds. I don’t know of any egg withdrawal time with acidified copper sulfate, but I would probably wait a...