TY JOUR TI ECONOMICALLY USEFUL SIGNS OF SHEEP USED IN INTRODUCTORY CROSSING IN THE REPUBLIC OF TUVA CONDITIONS KW sheep KW Gorno-Altai breed KW Tuvan coarse-haired short-fat-tailed breed KW live weight KW wool clipping KW measurements KW indices KW crossing JO Bulletin of KSAU AU Hovalyg, B.V. AU Makarova, E.Y. PY 2023 IS PB Krasnoyarsk State Agrarian University