Formulations that must be given to rats in a gelatin capsule can be placed in size 9 capsules made by Torpac Inc. However, the stainless steel plunger provided by Torpac can damage a rat’s esophagus, particularly if your study calls for repeated dosing.
To solve this problem, we built a tip to fit size 9 capsules and placed it on our flexible polyurethane rat feeding tube. Expel the capsule with air, water or saline in a syringe connected to the luer end of the dosing tube.
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