methods experiment was conducted at the Small Ruminant Research Cen-ter, Faculty of Natural Resources, Prince of Songkla University located in Songkhla Province, Thailand, over a period of 105 days, with 14 days foranimal adaptation to diets and daily management and 91 days for datacol lection. All procedures involving animals were approved by the Ethical Principles for the Use of Animals for Scientific Purposes of the National Research Council of Thailand (NRCT) for the metabolism study and finish-ing study.