TY JOUR TI To the memory of Valery Samuilovich Matyukov (1938-2026) KW agricultural animal genetics KW genetic polymorphism KW cattle breeding KW reindeer KW biochemical genetics KW scientific achievements KW genetic mapping KW research in agrobiotechnology JO Proceedings of the Komi Science Centre of the Ural Division of the Russian Academy of Sciences AU Zharikov, Y.A. PY 2026 IS 0 PB FSBI FIC "Komi Scientific Center of the Ural Branch of the Russian Academy of Sciences"