EPA may be turning away from animal testing Jun 25, 2009 By dvm360.com staff Instead of relying on animals as test subjects, the EPA is planning to use toxicity-based pathways, which involve human cell cultures, to determine the toxicity of various chemicals. Click here to read more. Hot topics on dvm3605 ways to wow pet owners (and pets) 10 steps to take when a practice owner dies dvm360 sits down with Dr. Pol Ack! How do you spell that again? "Best. Veterinary Practice. EVER."