ФИО:
Ivanov Il’ya Igorevich
About author:
The Federal State Budgetary Educational Institution of Higher Education the Vereshchagin State Dairy Farming Academy of Vologda
e-mail:
labkrem1@mf.molochnoe.ru
The Federal State Budgetary Educational Institution of Higher Education the Vereshchagin State Dairy Farming Academy of Vologda