[백신] 닭에 접종한 두 종류 백신, 치명적 바이러스 탄생
Chicken vaccines merged to form live viruses and caused outbreaks of irony Since 2008, Australian chickens have been suffering from intense outbreaks of a disease called infectious laryngotracheitis [...]
Chicken vaccines merged to form live viruses and caused outbreaks of irony Since 2008, Australian chickens have been suffering from intense outbreaks of a disease called infectious laryngotracheitis [...]