本文报道为了进行一种微量血清中和试验，使禽传染性支气管炎病毒马萨诸塞41株，适应鸡胚肾细胞培养物的过程。
This paper reports the course followed leading to the successful adaptation of IBV Massachusetts 41 strain to CEK cells as a prerequisite for the development of a micro serum neutralization test.
禽传染性支气管炎(IB)呈世界广泛流行，是危害养鸡生产最严重的病毒性传染病之一。
Infectious bronchitis virus (IBV) is a world-wide viral disease of poultry, which poses a major economic threat to the poultry industry.
禽传染性支气管炎(IB)呈世界广泛流行，是危害养鸡生产最严重的病毒性传染病之一。
Infectious bronchitis virus (IBV) is a world-wide viral disease of poultry, which poses a major economic threat to the poultry industry.
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