Search Search Search You must have JavaScript enabled to use this form. Topic (-) Shelter Medicine Toxicology & Poison Control Active FiltersShelter Medicine Group 9 Clear All Top 10 Deadliest Pet Poisons Veterinarians can download and share the list of the most poisonous toxins for dogs and cats with their clients. How to Treat Rodenticide Poisoning in Horses The ASPCA Poison Control Center offers recommendations for rodenticides ingested by horses.