Study of the chemical composition and feed value of pasture grass Galina Loskutova, Kenesh Alimzhanov, Zhuldyz Satayeva, Elmira Zhaxybayeva and Murat Zhakupov E3S Web of Conf., 539 (2024) 02006 Published online: 17 June 2024 DOI: 10.1051/e3sconf/202453902006