| 1. | In the protection trial , all three polysaccharide significantly increased hi antibody titers when injected
攻毒保护实验研究：不同多糖体内注射均提高了鸡的hi抗体水平。 |
| 2. | The protective effect of yeast polysaccharide on the intestinal villi of egg - laying chicken challenged orally with escherichia coli . was studied
对蛋用仔鸡在大肠杆菌攻毒条件下，酵母多糖对小肠粘膜的保护作用进行了研究。 |
| 3. | It is like injecting a toxin in the form of germs a vaccine into our blood so that we become immune to a disease , that is , fighting poison with poison
就像有时候我们要抵抗某种瘟疫，我们就先注射一些那种瘟疫的毒液疫苗在我们的血里面，用以毒攻毒的方式来抵抗。 |
| 4. | " in challenge trials locally and overseas , the vaccine has proven protective against various strains of highly pathogenic h5 avian influenza viruses
他说：该疫苗曾在香港和外地进行多次攻毒试验，结果显示这疫苗对多种高致病性的h5禽流感病毒类型均有保护作用。 |
| 5. | The 100 % immuno - protection against hcv strain f114 , v - jn and v - yc was observed in the experimental piglets that had been vaccinated with hclv strain vaccine by the program above
攻毒试验再一次证实仔猪按此程序2次免疫，于150日龄攻毒时试验组均未发病，保护率100 。 |
| 6. | The results of both of virulent attack test and 2 - de were paralleled in the following generations , with decrease of virulence of aeromonas hamphila in the former , and deletion of toxin - related genes in latter
攻毒实验和2 - de的结果均表明在传代过程中一些毒力相关的因子随着传代的进行而逐渐消失。 |
| 7. | To understand of the current commercial vaccine could also protect chickens from wibdv challenges , two vaccines a and b were tested and compared for their protective immune efficacy in spf chickens against wibdv strain gx8 / 99
在spf鸡分别比较研究了两个中等毒力ibdv疫苗接种后对法氏囊和胸腺的影响，以及对超强毒gx 8 99攻毒后的免疫保护力。 |
| 8. | In the meantime , comparing with control group , evident immune protection against hp was induced . the dose is 10 g per mouse of intranasal immunization , 25 g per mouse of rectal immunization and 50 g per mouse of oral immunization
细胞因子的rt一pcr试验证实，小鼠感染后胃组织主要有inf - y表达，无il一4表达，表现为thl反应，攻毒后未感染的免疫鼠胃组织中则表达il一4 ，表现为thz反应。 |
| 9. | Though the clinical respiratory illness did not appear , the pathological changes were observed in lungs from the most of the challenged animals . portions of the lungs were tan in color and partly collapsed , with occasional anteroventral areas of congestion and consolidation
尽管攻毒后动物没有表现出明显的呼吸道症状，但在剖检后发现在肺脏有不同程度的病理变化，主要表现为粉红色肉样变和灰色肝样变，显微镜下观察表现为！ |
| 10. | G gene of rabies virus m , the of two main regions ( about 1000nt ) , ranging from 3161nt to 4162nt and ranging from 4012nt to 4863nt of glycoprotein gene of rabies virus strain m , isolated from mouse in he nan , china were amplified by reverse transcriptase - polynerase chain reaction ( rt - pcr ) in order to complete glycoprotein gene of strain m . these regions were sequenced by the produce of pcr directly . comparison and analysis of nucleotide sequence and amino acid sequence deduced with that of other strains published was performed by computer with dnasisv 2 . 5demo software
本研究对我国河南某地野鼠体内分离的狂犬病野毒株mrv基因的3161位? 4162位( 1001个碱基)和4012位? 4863位( 851个碱基)片段进行了反转录pcr扩增和序列测定，得到mrv的糖蛋白基因全序列，用dnasisv2 . 5demo分析软件，与已发表的代表性毒株g基因全序列进行核苷酸和氨基酸序列的比较分析，结果表明在同一基因型中， mrv和国际标准攻毒株cvs的同源性最高( 96 . 5 ) ，和中国减毒株ctn的同源性最低( 79 . 8 ) 。 |
