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
Civet more common usage in English, the name also covers "Chrotogale, Cynogale, Diplogale, Hemigalus, Arctogalidia, Macrogalidia, Paguma," and "Paradoxurus" civets. The common name is used for a variety of carnivorous mammalian species, mostly of the family Viverridae. The African palm civet ("Nandinia binotata") is genetically distinct and belongs in its own monotypic family, Nandiniidae. Civets are also called "toddycats" in English, "Luwak" in Bahasa Indonesian and "musang" in Malay. The latter may lead to some confusion among Malay speakers and non-speakers alike as the indigenous word "musang" has been mistakenly appropriated to foxes by certain printed media over the years instead