510 ILCS 60/2

When fox, rabbit, mink, chinchilla, marten, fisher, muskrat, karakul and other fur bearing animals are raised in captivity for breeding or other useful purposes (a) such animals shall be deemed domestic animals; (b) such animals and the products thereof shall be deemed agricultural products; and (c) the breeding, raising, producing or marketing of such animals or their products by the producer thereof shall be deemed an agricultural pursuit.