Virulent strain是什么意思

网络释义

用法例句

After 10 passages through 1 day old SPF chicks with IBV D971,a virulent strain IBV D971J was developed.

用腺胃病变型鸡传染性支气管炎病毒分离株 IBV-D971株接种 1日龄 SPF鸡 ,连续传 1 0代后 ,培育出了腺胃病变型鸡传染性支气管炎强毒株 IBV-D971 J株。

At 0,5,11,18,30,40 and 50 d post-inoculation,the sera and leucocytes were separated aseptically,and the tissues were collected from the died piglets infected high virulent strain or the anatomical piglets infected low virulent strain at 50 d post-inoculation.

20日龄猪繁殖与呼吸综合征(PRRS)阴性健康仔猪滴鼻感染猪繁殖与呼吸综合征病毒(PRRSV)Hn-1/06强毒株和BJ-4弱毒株,于接种后0、5、11、18、30、405、0 d无菌采血,制备血清和分离白细胞,并在感染猪发病死亡或第50天后分别剖杀取各器官组织。

Isolation and identification of high virulent strains of Newcastle disease virus;

鸡新城疫病毒强毒株的分离与鉴定

Isolation and identification of very virulent IBDVs from Guangxi and sequence analysis of VP2 hypervariable region

广西地区传染性囊病病毒超强毒株的分离鉴定及其VP2基因高变区的序列分析

The result indicated that YL051 belonged to very virulent IBDV(vvIBDV),YL052 m.

结果表明:分离株YL 051属IBDV的超强毒株(vvIBDV),而YL 052株既具有强毒株的特征即七肽区(SW SA SG S)和279D,但同时也具有284T的弱毒株特征,可能属于介于强毒株与弱毒株之间的一个中间型。

2% nucleotide identities to very virulent IBDV,97.

初步鉴定该分离毒为鸡传染性法氏囊病病毒超强毒株。

An isolated strain HN01 of Infectious Bursal Disease Virus (IBDV),a suspected very virulent strain,was purified and inoculated into SPF chickens,which were proved infected 36 h later with lethal rate more than 70% and incidence rate 100%.

经血清学试验、毒力试验、鸡胚接种试验、分子生物学和电镜形态学观察均证明该分离物为超强毒株,从而证明河南省鸡群中存在不同于IBDV一般强毒株、经典株和变异株的超强毒株。

Genetic Characterization of the 11 Isolates of Virulent Newcastle disease virus from Chicken Flocks

11株鸡新城疫病毒强毒株的分子特性

Isolation and Identification of a Virulent Strain of Canine Adenovirus Type 1

一株犬1型腺病毒强毒株的分离与鉴定

Differentiation of Infectious Bursal Disease Virus between Classical and Very Virulent Strains by Real-Time RT-PCR

荧光定量RT-PCR鉴别IBDV超强毒株与经典疫苗毒株

Analysis of TK gene of a virulent duck plague virus CY07 strain

鸭瘟病毒CY07强毒株TK基因的序列分析

Difference of the vaccine strain M5 and the virulent strain 16M of Brucella species

布鲁氏菌强毒株16M和疫苗株M5差异探索

Isolation and Identification of a Virulent Strain of Mycoplasma hyopneumoniae

一株猪肺炎支原体强毒株的分离和鉴定

Primary study on dog experimental infection by a virulent strain of canine adenovirus type 1

犬1型腺病毒强毒株对犬的实验感染初步研究

Sequence analysis on nucleocapsid protein gene of velogenic chicken-origin Newcastle disease virus,F48E9 strain

鸡新城疫病毒F48E9强毒株NP基因的序列分析

Diagnosis of Highly Virulent MDV Infected Immunized Chicken Flocks

马立克氏病毒强毒株攻击免疫鸡群的诊断

Construction of srtA Gene Knock-Out Mutant of Sstreptococcus Suis Type2 and Analysis of Its Virulence;

猪链球菌2型强毒株srtA基因缺失株的构建及其毒力分析

Comparative Proteome Analysis of Extracellular Proteins of Virulent and Avirulent Streptococcus Suis Type 2;

2型猪链球菌强毒株与无毒株胞外蛋白的比较蛋白质组研究

Virulent and Avirulent Comparative Proteomics of Streptococcus Suis 2;

2型猪链球菌强毒株与无毒株比较蛋白质组学研究

Full-length genome analysis of hyper-virulent isolate HUB2 of porcine reproductive and respiratory syndrome virus

猪繁殖与呼吸综合征病毒强毒株HUB2株全基因组序列分析

Screening and identification of the differential genomic DNA between Brucella abortus virulent strain and attenuated strain

布鲁氏菌强毒株与弱毒株基因组DNA差异基因筛选与鉴定

Analysis of Complete Sequence of Proviral DNA of EIAV Chinese Donkey-adapted Strain and Donkey Leukocyte Attenuated Strain;

中国马传染性贫血病毒驴强毒株与驴白细胞弱毒疫苗株前病毒全基因组序列分析

Selection of Cell Adaptable Virus of Very Virulence Goose Paravirus and Prokaryotic Expression of VP3 Gene;

小鹅瘟病毒强毒株细胞适应毒的培育及其VP3基因的表达

The duplex RT-PCR Assay for Simultaneous Detection of H5 Subtype Avian Influenza Viruses and Velogenic Newcastle Disease virus

双重RT-PCR同时快速检测H5亚型禽流感病毒和新城疫病毒强毒株

Screening and Identification of the Differential Genes of Genomic DNAs between Bovine Brucella Virulent and Vaccine Strain

牛布鲁氏菌强毒株与疫苗株基因组差异基因筛选与鉴定