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
African palm civet the most frequently found small carnivores for sale in bushmeat markets. Upper Guinean forests in Liberia are considered a biodiversity hotspot. They have already been fragmented into two blocks. Large tracts are threatened by commercial logging and mining activities, and are converted for agricultural use including large-scale oil palm plantations in concessions obtained by a foreign company. African palm civet The African palm civet ("Nandinia binotata"), also known as the two-spotted palm civet, is a small mammal widely distributed in sub-Saharan Africa. It is listed as Least Concern on the IUCN Red List. The African palm civet is grey to