Bekenov Dauren Maratovich; Spanov Abzal Abushakipovich; Chindaliyev Askhat Erbosynovich; Baimukanov Aidar Dastanbekouly; Sultanbai Darina Tavaldievna; Zhaksylykova Gulnur Kenesbekovna; Kalimoldinova Asel Sanatkyzy. COMPARATIVE STUDY OF FRUITFULNESS OF COW INSEMINATION OF A MILKING HERD AT VARIOUS LEVELS OF PRODUCTIVITY IN THE CONDITIONS OF BAYSERKE-AGRO LLP. Academic Journal of Physical and Chemical Sciences 2019, 27-30..