Jaap Koehoorn’s original Yellow Drops help prevent and treat trichomoniasis and combat respiratory issues and fungi in pigeons. As a unique two-component system, it’s unmatched in effectiveness, as confirmed by its popularity.

• Best-selling product in our pigeon range!
• 100% antibiotic-free.

During the racing season: once weekly, apply one drop in the throat or three full droppers on ½ kg of feed weekly. Note: may cause yellow staining on hands, clothing, etc.