OPTIMIZATION OF THE INACTIVATION PROCESS OF THE A/H5 VIRUS SUBTYPE TO IMPROVE VACCINE QUALITY IN POULTRY FARMING IN KAZAKHSTAN. ИЗВЕСТИЯ НАН [Internet]. 2026 May 30 [cited 2026 Aug. 18];(1):26-35. Available from: https://journal.uia.gov.kg/index.php/main/article/view/1223