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
Black Ivory Coffee coffee cherries does not adversely affect the elephants, and veterinary tests concluded that caffeine is not absorbed from the coffee cherries they consume. Black Ivory Coffee Black Ivory Coffee is a brand of coffee produced by the Black Ivory Coffee Company Ltd in northern Thailand from Arabica coffee beans consumed by elephants and collected from their waste. The taste of Black Ivory coffee is influenced by elephants' digestive enzymes, which breaks down the coffee's protein. The coffee beans are digested within 15 to 70 hours, and are present with various other ingredients in the elephants' stomachs, which imparts specific flavors