传染性支气管炎一般在冬天发作。
核衣壳蛋白(N)是鸡传染性支气管炎病毒(IBV)的重要结构蛋白。
Nucleocapsid protein (n protein) is one of the major structural protein of infectious bronchitis virus (IBV).
目的：利用噬菌体展示肽库技术筛选鸡传染性支气管炎病毒的模拟抗原表位。
Objective:To obtain the mimotope of avian infectious bronchitis virus by phage display peptide library.
鸡自然发生的鸡肾病变型传染性支气管炎病例，进行了流行病学及病理变化方面的检验。
The epidemiology and pathological changes about the case of naturally infected by nephropathogenic infectious bronchitis viruses were examined.
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.
新城疫(ND)和传染性支气管炎(IB)一直是危害我国养禽业的两大重要病毒性传染病。
Newcastle disease (nd) and Avian infectious bronchitis (IB) are both very important viral infectious diseases that endanger seriously the raising-chickens' industries in our country all along.
结果表明该鸡场群发性痛风是由于病鸡患肾型传染性支气管炎和误喂高蛋白饲料共同作用引起的；
The results showed that the incidence of gout were caused by avian nephropathogenic infection bronchitis virus(IBV)and high protein feed.
以血清交叉中和方法进行鸡传染性支气管炎双价活疫苗效力检验，结果与攻毒方法效检结果一致。
Efficacy test of chicken infection bronchitis bivalent living vaccine was taken with the method of serum cross neutralization. The results showed that it was consistent with that of challenge method.
通常与传染性支气管炎病毒，新城疫病毒和大肠杆菌等病原协同感染，导致呼吸道症状加剧，使死亡率增高。
Usually chickens suffered co-infection with Infectious bronchitis, Newcastle virus or Escherichia, and led to forced-breathing and increased mortality.
本研究使用纯化的鸡传染性支气管炎病毒（IBV），从12肽噬菌体展示随机肽库中筛选特异性结合多肽。
This study utilized purified IBV H52 strain to screen specific virus-binding peptides from Ph. D. -12TM phage display peptide library.
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.
传染性(急性)支气管炎的症状是什么？
传染性(急性)支气管炎的症状是什么？
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