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 (perfumery) noninfectious. The name derives from the Arabic "zabād" or "sinnawr al-zabād", civet cat ("Viverra civetta"), by way of Old Italian "zibetto" and Middle French "civette". The 10th century Arab historian al-Masudi mentioned civet ("zabāda") as a spice in his book "Murūdj al-dhahab" (Meadows of Gold). Civet was among the many trade items that caravans, controlled by the Ghana empires, carried from the Niger valley to North Africa. Civet (perfumery) Civet ("Zibeth"; "Zibet"; "Zibetum"), also known as civet musk, is the glandular secretion produced by both sexes of Viverridae species. A number of viverrid species secrete civet oil in their perineal