EUTHANASIA BY CONTINUOUS TOPICAL DELIVERY OF CLOVE OIL OVER THE GILLS RESULTS IN DELAYED CARDIAC ARREST IN COMPARISON TO IMMERSION BATH IN JUVENILE RED HEAD TAPAJOS EARTHEATERS (GEOPHAGUS PYROCEPHALUS)
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Immersion bath in high doses of tricaine methanesulfonate (MS-222) and eugenol is a common euthanasia method for fish, causing rapid cessation of opercular movements. However, in previous studies where cardiac contractions persisted, despite dosages of MS-222 ... ...
