Arias-Margarito L, Soriano-Robles R, Sánchez-Vera E and González-Esquivel C 2012: Effect of the supplementation with multinutritional blocks of pitaya (Stenocereus griseus L.) on the live weight gain of goats in the low Mixteca of Oaxaca, México. Livestock Research for Rural Development. Volume 24, Article #119. Retrieved , from http://www.lrrd.org/lrrd24/7/aria24119.htm