I have 20 years of experience and specialize in the field of veterinary toxicology, with specific knowledge of animal poisonings, animal feed safety and clinical veterinary toxicology. I have published on such topics as clinical veterinary toxicology, diagnositic veterinary toxicology, and livestock and pet food contamination. I have testified 10 times on topics such as insecticide poisoning, environmental contamination on farms and pet food contamination.