Atalay A I, Ozkan C O, Kaya E, Kurt O and Kamalak A 2017: Effect of maturity on chemical composition and nutritive value of leaves of Arbutus andrachne shrub and rumen in vitro methane production. Livestock Research for Rural Development. Volume 29, Article #138. Retrieved , from http://www.lrrd.org/lrrd29/7/akam29138.html