%0 Journal Article %T THE EFFICIENCY OF MASS SELECTION OF SOWS OF BREED LANDRAS ON REPRODUCTIVE QUALITIES %A Kakhikalo, V.G. %A Nazarchenko, O.V. %K Landrace breed, line, family, multi-ple fetation, the number of piglets and mass of sockets in 30 days %J Bulletin of KSAU %D 2017 %N %P 6 %I Krasnoyarsk State Agrarian University