Apple seeds are very poisonous for dogs because the chemicals of seeds produce cyanide during digestion.

3- Avocado

High in fat, it can cause inflammation of the pancreas. Moreover, its nucleus is very toxic because it is rich in persian which is very harmful to the lungs and the heart of our four-legged friends.

The nucleus can cause intestinal occlusions if ingested.also If dogs eat avocado then it will cause vomiting, diarrhea, and heart congestion.