Avocado and Guacamole
Avocados contain a substance called persin. You should never give Avocado, guacamole or anything containing avocado to your dog. If you are growing avocado at your house make sure you keep it netted up and fenced in. Persin is in the leaves, seed, and bark, as well as in the fruit. This can be very dangerous for your dog and it doesn't matter how yummy it looks it is highly dangerous for most dogs. Do not give your dog any avocado.