For citations:
Vakhrameev A.B., Pozovnikova M.V., Ryabova A.E., Fedorova Z.L., Dementieva N.V. Comparative analysis of the phenotypic variability of chickens of different productivity directions. Agrarian science. 2025;(7):92-100. (In Russ.) https://doi.org/10.32634/0869-8155-2025-396-07-92-100