598376c7_bstances__The_Good_and_the_Bad__Food_or_Substance
[Danger Level] Safe (choking hazard) [Description] The flesh of an avocado is safe for your dog. However the pit, if eaten, may cause an intestinal obstruction. Avocados contain a substance called persin which some animals (cattle, horses, goats, rabbits, birds and fish) are very sensitive to. But dogs would have to eat very large amounts of avocados to get sick. [Food or Substance] 
Avocados
Dangerous Foods-Toxic Substances: The Good and the Bad
Food or Substance