This detector dog works in a citrus orchard in California sniffing out citrus greening disease. (AP)
Bello the dog sniffs citrus trees looking for a bacteria that is spread by a tiny insect. (AP)
These oranges are healthy. If they had the disease, their peels would be green. (123RBF)
Oranges grow on trees that together are called orchards.
Other kinds of dogs are trained for sniffing jobs, like military dogs can sniff bags and rooms for explosives.
Munch, munch. Tiny insects are at work. They crunch on citrus trees. Farmers don’t know until it is too late.
Bring in dogs! They sniff out those pests. Then farmers can save their trees.