| 1. | Culture of the attenuated a66 strain of duck hepatitis virus in chicken embryo fibroblast
66弱毒株在鸡胚成纤维细胞上的培养 |
| 2. | The control of ib depended on completely the vaccination with the attenuated ib vaccine
该病目前无特效的治疗方法，主要使用ibv弱毒苗预防接种。 |
| 3. | Phenotypic and genotypic characteristics of japanese encephalitis live attenuated vaccine virus sa14 - 14 - 2 and its stability
2弱毒株的表型和基因型特性及其稳定性 |
| 4. | The dna and rna dot blotting revealed transcription of the polyprotein gene into mrna in the vero cell
比较了dna疫苗和两种常用的弱毒苗（ b87 、 d78 ）的安全性和免疫效力。 |
| 5. | Studies on enhaning effect of alfalfa polysaccharide on the immune response of lapinized chinese strain of classical swine fever virus
苜蓿多糖对猪瘟兔化弱毒疫苗免疫应答强化作用的研究 |
| 6. | The sows , which are not pregnant , are vaccinated by hcv vaccine of different dose and then detected antibody against hcv with ppa - elisa at different time
给空怀母猪接种不同剂量的猪瘟兔化弱毒疫苗，分别于不同时期用ppa - elisa检测血清抗体。 |
| 7. | Currently , fmd vaccines are either conventionally inactivated vaccines or attenuated vaccines . both types of vaccines are not completely safe and pose some fatality risks
而传统的灭活疫苗和弱毒疫苗由于其潜在的危险性，使其应用受到很大的限制。 |
| 8. | We are able to distinguish field chinese isolates from the u . s . modified live strains , by comparing the rflp patterns of the pcr - amplified genomic fragment of orf5 gene
由此可见，通过比较分离毒株orf5的rflp图谱，可以对prrsv ( b型)强、弱毒进行区分。 |
| 9. | The chinese donkey leukocyte attenuated strain of eiav （ dla ） was the only successful lentivirus vaccine up to now , which has been applied extensively in china against eia
我国的eiav弱毒疫苗是迄今为止世界上唯一投入应用的慢病毒疫苗，成功地控制了我国eia的流行。 |
| 10. | Hc ( hog cholera ) , the virulent infectious disease caused by hcv ( hog cholera virus ) , had been controlled effectively by hclv strain vaccine in the country
猪瘟是由猪瘟病毒引起的猪的一种病毒性传染病。猪瘟兔化弱毒疫苗有效地控制了猪瘟在我国的急性发生和大流行。 |
