Efficiency of alternative electric power industry for poultry farming I. P. Saleeva, A. V. Sklyar, T. E. Marinchenko, M. V. Postnova, A. V. Ivanov and A. I. Tikhomirov E3S Web Conf., 124 (2019) 04020 Published online: 25 October 2019 DOI: 10.1051/e3sconf/201912404020