How do you feed the animals in the game zoo empire

Drag a zookeeper to the exibit with the animals you want to feed (if you don't have any zookeepers, hire one with Hire Staff button). They don't always feed the animals when you want them to, but to maximize the chances that they will, purchase a food container to add to the exibit, so they can add food there. Dominique, an 11 year-old girl