Influence of genetic and paratypical factors on lamb’s resistanceS. Ch. Kazanchev, A.M. Unazhokov, O.O. Getokov, R.Z. Abdulkhalikov and M.G. TleinshevaE3S Web Conf., 254 (2021) 08022DOI: https://doi.org/10.1051/e3sconf/202125408022