Changes’ assessment in the interrelation of productive traits of holsteinized black pied cattleO.V. Gorelik, N.L. Lopaeva, O.P. Neverova, O.A. Vagapova and L.A. ZakharovaBIO Web Conf., 53 (2022) 02006DOI: https://doi.org/10.1051/bioconf/20225302006