The potential of Moringa oleifera leaves, root bark and propolis extracts for manipulating rumen fermentation and methanogenesis in vitro - Soltan, Yosra Ahmed; Lucas, Ronaldo; Morsy, Amr Salah; Louvandini, Helder; Abdalla, Adibe Luiz (International Symposium on Food Safety and Quality: Applications of Nuclear and Related Techniques, 2014)