Dimetridazole is a common drug in veterinary medicine for protozoal infections like swine dysentery and trichomoniasis. It also works against a range of anaerobic bacteria. Modern farming has moved heavily toward water-based medication delivery. It is cheap, efficient, and scales well. That raises a practical question: once you dissolve dimetridazole in water, how long does it actually stay effective? A study using the classical constant temperature method tried to pin down an answer. Here is what they came up with. The setup Researchers mixed a 2% dimetridazole solution using regular drinking water and a solubilizer. They filled 10 mL ampoules and put them in stability chambers set at 60, 70,…