I am always ask what to not feed chickens and even our Dogs and cats here are my reasoning points The reason for not letting chickens eat any kind of bean ie: soy beans etc id from your own list of things good and bad for chickens (1 Raw green potato peels Toxic substance called Solanine (2 Dried or undercooked Beans Raw, or dry beans, contain a poison called hemaglutin which is toxic to birds. Some of my own info (3 Contains a toxin, solanine, which is only found in green tubers and green potato skins. So avoid feeding green tomatoe plants an green potatoe plants and green potatoe skins raw (4 Chickens also should not be fed rice dry. It will blow up when in moisture and cause a gut problem in chickens So always cook it before feeding chickens rice (5 Tomatoes/Tomato Plants Also are very harmful to Dogs and cats and cause them to: (A Green Tomatoe plants Contains toxins (atrppine & solanine) known to cause dilated pupils, tremors and irregular heartbeat. The leaves and stems of tomato plants are the most toxic. Do nt feed them unripe . From Nova Scotia Pugs - Bad Foods List Especially bad bones are turkey and chicken legs, ham, pork chop and veal. .... toxins such as Penicillium mold toxins or tremorgenic mycotoxins. .... Tomatoes and Tomato Plants: These contain atropine which can cause ... and stems of tomato plants, next is the unripe (green) tomatoes and then the ripe tomato. ... (6 Potatoe plants also contain this toxin and are harmful to chickens, cats and Dogs Most dogs and cats will avoid eating them but if a dog or cat is foraging and thrown out to fend for its self out of necessity will eat things not good for them. As well as chickens Most things we humans eat will not harm chickens but generally we try and not feed them any thing that is known to harm them from bad toxins. ( Here is a good site to keep handy. This fellow is very knowledgable and raises chickens ad many kinds of fowl Toxic Plants and Their Effects - Poultryhelp.com - Rocking T Ranch ... ... Raising pure bred chickens, bantams, guinea fowl and quail in Central Texas. ... stems, seeds; nervous system affected by plant toxins. ..... GREEN DRAGON (Arisaema dracontium); entire plant; gastrointestinal tract .... Lycospersicon esculentum (TOMATO); vines, suckers; gastrointestinal tract ... www.poultryhelp.com/toxicplants.html - 134k - So keep chickens happy and healthy and you will be healthy and happy chicken lover.