Here’s what not to feed and why: 🥑 AVOCADO PITS & SKINS: The leaves of an avocado plant and the pit and skin contain a toxin called person, which can be fatal for chickens and ducks. It can cause respiratory difficulty, weakness, heart damage, and death. 🍎 FRUIT PITS & SEEDS : Most fruits are safe and beneficial. But do not give them fruits with seeds like apples and pears and pits like cherries, plums, peaches, without removing the seeds and pits. They contain a cardiac-toxic cyanide compound