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海安地区鸡新城疫病毒分离株的遗传进化分析

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摘要 2011-2012年,从来海安县兽医站门诊就诊的20个疑似新城疫发病鸡群中分离到8株有血凝性的病毒,其中5株病毒能够凝集鸡的红细胞,并且血凝性可以被NDV阳性血清所抑制,MDT在49-60.8小时之间,经鉴定为NDV强毒株。新城疫是危害养禽业的重要疫病之一[1],由新城疫病毒(NDV)强毒株引起,NDV是有囊膜的单股、负链、不分节段RNA病毒,融合(F)蛋白是位于病毒囊膜表面的一种糖蛋白,在病毒感染过程中介导病毒囊膜与宿主细胞膜的融合,F基因前375个核苷酸序列变异度较大[2],可以反映NDV毒株的遗传进化规律。
作者 梅进 孙银华
出处 《国外畜牧学(猪与禽)》 2013年第12期69-71,共3页 Animal Science Abroad-Pigs and Poultry
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