2004 – graduated from Kharkiv state zooveterinary academy, for specialty «Zooengineering»
2014 – defended her PhD (Agricultural Sciences) thesis in specialty 03.00.16. – Ecology
2010 – Assistant of the Department of applied ecology named after O.A. Kolesov of Kharkiv state zooveterinary academy
2014 – Senior Lecturer of the Department of applied ecology named after O.A. Kolesov of Kharkiv state zooveterinary academy
Since 2017 – Associate Professor of the Department of Agrotechnology and Ecology of Kharkiv Petro Vasylenko National Technical University of Agriculture
The field of research is the studying the influence of anthropogenic factors on the quality of crop and animal production
2014 – she defended her PhD thesis on the topic «Ecological and biological features of pork production at the excess of heavy metals in the ration»
has over 45 scientific papers, including 1 patents
2019 – had international internship on “Innovative methods and technologies in higher education in the context of the global world” (Varna University of Management, Bulgaria, 2019) (4 ECTS credits)
Chalaya O. Influence of some heavy metals on the organism of young pigs / Chalaya O., Pankova O., Sirovitskiy K., Bezpalko V., Gorbanov A. // ТЕКА. Commission of motorization and energetics in agriculture – 2018. Vol. 18, № 4. P. 13-18.
Paliy A., Paliy A., Nanka O., Chalaya O., Chalyi A. Establishment of the efficiency of animal breeding premises disinfection by modern disinfectants // «EUREKA: Life Sciences». – № 4 (2019), – с. 3-8.