Chirgin Evgeny Dmitrievich; Semenov Vladimir Grigoryevich; Baimukanov Dastanbek Asylbekovich; Iskhan Kairat Zhalelovich; Rzabayev Tolybek Serikbayevich; Zhikishev Yerlik Kaliaskarovich. THE RELATION OF PRODUCTIVE LONGEVITY OF LITHUANIAN HEAVY DRAFT MARES WITH THE UDDER CAPACITY. ВНР 2019, 23-28..