%0 Journal Article %T VARIABILITY STRUCTURE AND HERITABILITY OF THE HIGH FERTILITY CYCLE OF HOLSTEIN CATTLE IN THE NOVOSIBIRSK REGION %A Shishkin, M.A. %A Kamaldinov, E.V. %A Palchikov, P.N. %K service period, high-fertility cycle, heritability, variability, binomial model, distribution fitting %J Bulletin of KSAU %D 2025 %N 0 %P 9 %I Krasnoyarsk State Agrarian University