The author is a lecturer in the Biology Study Program of the Faculty of Mathematics and Natural Sciences, Udayana University since 1998. The author completed his undergraduate education at  Udayana University in 1996, then continued his Masters education at the IPB graduate master's program graduating in 2006. Currently the author is continuing his S3 education at the doctoral program in animal husbandry Udayana University. Since 2010 until now the author is trusted as the Head of servis laboratory. Since 2013 author as editor in chefe of Simbiosis Journal.