Body type of cows as a factor of their productive longevity I.M. Donnik, O.S. Chechenikhina, O.A. Bykova, O.G. Loretts and A.V. Stepanov E3S Web of Conf., 222 (2020) 02059 Published online: 22 December 2020 DOI: 10.1051/e3sconf/202022202059