Battery cage chinchilla and foxes in fur farming, and most recently for the Asian palm civet for kopi luwak production of coffee. An early reference to battery cages appears in Milton Arndt's 1931 book, "Battery Brooding", where he reports that his cage flock was healthier and had higher egg production than his conventional flock. At this early date, battery cages already had the sloped floor that allowed eggs to roll to the front of the cage, where they were easily collected by the farmer and out of the hens' reach. Arndt also mentions the use of conveyor belts under the cages to
Banded palm civet Banded palm civet The banded palm civet ("Hemigalus derbyanus"), also called the banded civet, is a civet found in the Sundaic region and occurs in peninsular Myanmar, peninsular Malaysia, peninsular Thailand and in Indonesia on the islands of Sipura, Sumatra and Borneo. It is listed as Near Threatened on the IUCN Red List because of its large geographic and elevation range and tolerance to some habitat disturbance. "Hemigalus" is a monospecific genus that was first named and described by the French zoologist Claude Jourdan in 1837. Having roughly the size of a domestic cat, this viverrid measures from 41 to