Nuclear genes, have recently become more commonly used as genetic markers in avian molecular phylogenetics.

They combined a human influenza virus with the deadly H 5 N 1 form of avian influenza.

他们把一个人类流感病毒与致命性H5N1型禽流感融合了起来.

Avian encephalomyelitis virus ( AEV ) was blindly passaged in chicken embryo fibroblast ( CEF ) cell for six generations.

利用鸡胚成纤维细胞 ( CEF)培养禽脑脊髓炎病毒 ( AEV ),经过六次盲传发现:AEV在CEF上 无细胞病变(CPE ),但利用CEF细胞上清接种SPF鸡 胚,可产生不同程度的AE鸡胚病变.

Be in avian sensory in, most what is the organ that degrades first?

在鸟类的感觉器官中, 最先退化的器官是什么?

The complete nucleotide sequence of avian encephalomyelitis virus ( AEV ) isolate L _ 2 Z from China was determined.

测定了我国禽脑脊髓炎病毒 ( avianencephalomyelitisvirus,AEV ) 分离株L2Z株的全基因组核苷酸序列.

Birds communicate by songs, and avian vocalization is a main aspect of ornithology.

鸟类鸣声是鸟类交流的“语言”, 也是鸟类学研究的主要内容之一.

The paper shows the meaningful methods and significance of avian systematics based on bird vocalization systematics.

报道了近年来建立于鸟类鸣声基础上的鸟类系统学研究新方法、新思路及其意义.

Apart from all these fundamental aspects of avian immunology, practical aspects should not be neglected.

除了研究禽类免疫系统的基本原理外,禽类免疫的实用性研究同样不能忽视.

Normally a pathogenic avian virus is not pathogenic to either humans or wild birds.

通常一个高致病性的禽病毒对人或野生鸟类并没有高的致病性.

The avian fauna are composed of 68 Palaearctic realm species ( 41.21 % ), 90 Oriental realm species ( 54.54 % ) and 7 Eurytopic species ( 4.24 % ).

从地理型分析,东洋界种有90种 ( 54.54% ),古北界种68种 ( 41.21% ), 广布种7种 ( 42.24% ).

Avian reovirus ( ARV ) infection exsit in the poultry industry around the world.

禽呼肠孤病毒 ( Avianreovirus, ARV ) 感染在世界范围内存在,主要引起鸡和火鸡的病毒性关节炎腱鞘炎,吸收障碍综合症和慢性呼吸道疾病.

Be in avian sensory in, most is the organ that degrades first?

在鸟类的感觉器官中, 最先退化的器官是?

Proper infection dosage and routes were selected to make the chickens artificially infect avian colibacillosis successfully.

选择适宜的攻毒剂量和攻毒途径,诱发淮南麻黄鸡大肠杆菌病.

The biggest threat to the poultry industry is not avian influenza.

所饲养家禽没有受禽流感影响的农民约翰说,消费者对禽流感爆发反应平静.

Specialized avian pathologists have evolved to guide the course of health control measures.

现在已有受过专门训练的禽病理学家来指导保健措施的进行.

Avian flu, also called bird flu, is a disease found in wild and farm birds.

禽流感也称鸟流感, 是在野外和农场禽类中发现的疾病.

Are some people immune to avian flu?

有人对禽流感天然免疫 吗 ?

At the National Institute for Medical Research, scientists are studying the deadly H 5 N 1 avian flu virus.

在国家医学研究所, 科学家们正从事H5N1型致命性禽流感病毒的研究.

In China during SARS and avian flu, did we see flow of information?

中国非典,禽流感的时候, 又不见消息这么灵通?

Avoid touching birds and poultry, especially their droppings, which may carry the avian flu virus.

避免接触鸟和家禽, 特别是它们的粪便(可能有禽流感病毒).

These that avian influenza, the important poultry disease , bears big threat for the public health.

禽流感这一重大禽类疫病,目前已成为公共卫生面临的最大威胁.