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
Otter civet Otter civet The otter civet ("Cynogale bennettii") is a semiaquatic civet native to Thailand, Malaysia, Indonesia and Brunei. It is listed as "Endangered" because of a serious ongoing population decline, estimated to be more than 50% over the past three generations (estimated to be 15 years), inferred from direct habitat destruction, and indirect inferred declines due to pollutants. "Cynogale" is a monospecific genus. The otter civet possesses several adaptations to its habitat, including a broad mouth and webbed feet with naked soles and long claws. Its muzzle is long with numerous long whiskers. It is in many ways similar to