查询词典 Avian

The high sensitivity and specificity of real time RT-PCR were shown by The test result, 10~7 of the diluted allantoic fluid infected by AIV can also be detected, and has no cross-reaction with common Avian virus and Avian vaccines, such as low virulent NDV and IB V vaccine.5 days after the broiler has been injected with AIV vaccine, no matter hypodermal or muscular injection, the real time RT-PCR has not found any AIV nucleotide, indicating the use of AIV vaccine has no effect on the test results.

在检测禽流感感染的尿囊液时，尿囊液稀释至10~(-7)仍可检出病毒核酸，荧光RT-PCR方法的特异性也很强，检测时与禽群常用的疫苗如新城疫弱毒疫苗、传染性支气管炎弱毒疫苗等均不出现交叉反应。

Moreover, CoI gene was more conservative and a lower evolutionary rate than Cyt b gene. CoI gene was an effective marker in analysing the phylogenesis of families in Passeriformes. It can be used in identifying the species of Passeriformes, but it was revealed that CoI gene was more suitable to identify the phylogenetic relationship of avian family unit than Cyt b gene, and CoI gene can be a molecular marker to identify avian species. But in species identification, CoI gene was less stable and accurate than Cyt b gene. We suggested youd better employ the other marker if you have the CoI gene only.(2) In the phylogenetic trees of birds from Lanius, L.

比较分析了雀形目6科15种鸟类的细胞色素b全序列和CoI基因部分序列，结果显示细胞色素b和CoI基因序列的变异位点分别为454个和366个、简约信息位点为337个和303个，而且线粒体CoI基因比细胞色素b基因略微保守、进化速率也较低；CoI基因在确定雀形目科级阶元之间的系统发生关系方面是一种有效的分子标记，同时它也能够用于雀形目鸟类的物种鉴定，但在物种鉴别方面不如细胞色素b基因稳定、准确。

Avian leukosis virus subgroup J was first isolated in 1989 and identified as a new subgroup of avian leukosis virus.

J亚群禽白血病病毒是1989年被分离、鉴定出的一个新的禽白血病病毒亚群，与其它ALV亚群比较，该亚群病毒的一个显著特点是其env基因非常独特。

Avian leukosis in egg-type chickens is infectious neoplastic disease caused by avian leukosis viruse subgroup J.

蛋鸡J亚群禽白血病是病毒引起的肿瘤性传染病。

Avian leukosis ; subgroup J avian leukosis virus; hemangioma ; env gene ; molecular epidemiology

禽白血病； J亚群白血病；血管瘤； env 基因；分子流行病学

A background survey and a species observation on avian were conducted respectively in the Three Gorges Reservoir during 1996-1997,and 1999-2000.354 species,belonging to 17 orders and 51 families were recorded. Among them,153 (43.22%),164 (46.33%),and 37 (10.45%) species are the avian of Palaearctic region,Oriental region and Cosmopolitan respectively. There are 87 species (24.58%) of summer residents,63 species (17.78%) of winter residents,46 species (12.99%) of travelers and 158 species (44.63%) of residents.

1996～1997年和1999～2000年，分别对三峡库区的鸟类进行了本底调查和物种监测，共纪录到鸟类354种，隶属17目51科，其中古北种153种(43.22％)，东洋种164种(46.33％)，广布种37种(10.45％)；夏候鸟87种(24.58％)，冬候鸟63种(17.78％)，旅鸟46种(12.99％)，留鸟158种(44.63％)；繁殖鸟类245种(69.21％)；国家重点保护鸟类9科42种。

To prevent cross-contamination of the virus from different animals, the feed eaten by the breeding hens cannot contain animal products; they cannot test positive for Salmonella enteritidis, Salmonella pullorum or Salmonella typhi, nor for avian flu or avian leukosis viruses; and they must also be free of external hormones and antibiotics.

魏逸之称呼这些是「clean eggs」──为了避免不同动物体内的病毒交互感染，种鸡所吃的饲料不得含有动物成分；它们体内不得检出肠炎沙门氏杆菌、鸡白痢沙门氏杆菌、伤寒沙门氏杆菌，以及A型禽流感、禽白血病等病毒，也不得有贺尔蒙与抗生素的残留。

Pigs can be infected by avian influenza and human influenza viruses as well as swine influenza viruses. When influenza viruses from different species infect pigs, the viruses can reassort (i.e. swap genes) andnew viruses that are a mix of swine, human and/or avian influenza viruses can emerge.

禽流感，人流感以及猪流感病毒都会对猪造成感染；当不同种来源的流感病毒同时感染时，病毒之间就会重新&洗牌&，从而产生一种新的&禽人猪&混合病毒。

Pigs can be infected by avian influenza and human influenza viruses as well as swine influenza viruses. When influenza viruses from different species infect pigs, the viruses can reassort (i.e. swap genes) and new viruses that are a mix of swine, human and/or avian influenza viruses can emerge.

禽流感，人流感以及猪流感病毒都会对猪造成感染；当不同种来源的流感病毒同时感染时，病毒之间就会重新&洗牌&，从而产生一种新的&禽人猪&混合病毒。

Pigs can be infected by avian influenza and human influenza viruses as well as swine influenza viruses. When influenza viruses from different species infect pigs, the viruses can reassort (i.e. swap genes) and new viruses that are a mix of swine, human and/or avian influenza viruses can emerge.

禽流感，人流-以及猪流感病毒都会对猪造成感染；-当不同种来源的流感病毒同时感染时-病毒之间就会重新&洗牌&，从而产生一种新的&禽人猪&混合-毒。

Do not gum up the work by telling mother what we are going to do .

别告诉母亲我们要干的事，那会把事情搞糟的。

In recent years, application of the partial prestressed concrete beam s is developed.

近年来，随着部分预应力砼梁应用的推广，发现我国规范所采用的名义拉应力法的计算结果不稳定。