|Practical Poultry Raising (Peace Corps, 1981, 225 p.)|
|7. Keeping chickens healthy|
Feed that is improperly stored or kept too long can go bad, causing botulism or other food poisoning. Be very careful around chickens with insecticides, rat poisons, gasoline (petrol) engines and other possible poison sources. Crowded or improperly cared for chickens may start pecking each other.