Kopi Luwak has given way to intensive farming methods in which civets in battery cage systems are force-fed the cherries. This method of production has raised ethical concerns about the treatment of civets due to "horrific conditions" including isolation, poor diet, small cages and a high mortality rate. Although kopi luwak is a form of processing rather than a variety of coffee, it has been called one of the most expensive coffees in the world, with retail prices reaching / per kilogram. Kopi luwak is produced mainly on the islands of Sumatra, Java, Bali and Sulawesi in the Indonesian Archipelago. It is
Large Indian civet as valid subspecies by 2005: The validity of "Viverra tainguensis" described in 1997 by Sokolov, Rozhnov and Pham Chong from Tây Nguyên in Gia Lai Province in Vietnam has been seriously questioned, and it is now generally considered a synonym of "V. zibetha". These names are questionable, as the species has not been recorded in the areas where languages are spoken: Large Indian civet The large Indian civet ("Viverra zibetha") is a civet native to South and Southeast Asia. It is listed as Least Concern on the IUCN Red List. The global population is considered decreasing mainly because of trapping-driven