| 4 | 1/1 | 返回列表 |
| 查看: 614 | 回復: 3 | ||
| 本帖產(chǎn)生 1 個 翻譯EPI ,點擊這里進行查看 | ||
chenniuniu金蟲 (初入文壇)
|
[求助]
有幾句話想請大家?guī)兔Ψg一下
|
|
| 近年來,雞傳染性支氣管炎廣泛流行,而防治該病IB弱毒疫苗是不可或缺的,但是IB病毒容易變異,變異株不斷出現(xiàn),使得現(xiàn)有的疫苗不能很好的控制該病,所以從現(xiàn)地分離株中致弱病毒是大勢所趨。因此本文主要探討一下IB弱毒疫苗的構(gòu)建方法,IB弱毒疫苗的構(gòu)建主要通過致弱病毒獲得,病毒的致弱有自然致弱和人工致弱兩種方法。特別是利用現(xiàn)代分子生物學手段和反向遺傳技術可以制備更安全、廣譜、有效的弱毒疫苗,以克服傳統(tǒng)弱毒疫苗的缺點。 |
版主 (文壇精英)
米米
| In recent years, Avian Infectious bronchitis was being prevalent and it is necessary to have IB attenuated vaccine to prevent it. However, IB virus mutated easily and mutated strains were founded, so the current vaccines cannot control the disease well. Therefore, it is a trend to attenuate virus from local isolated strain. This paper mainly discussed the construction method of IB attenuated vaccine, which was mainly from attenuating virus. Attenuation of viruses had two methods, natural attenuation and artificial attenuation. The disadvantages of traditional attenuated vaccine could be overcome by modern molecular biological method and reverse heritage technique to produce safer, broader spectrum, and more efficient attenuated vaccine. |
| In recent years, avian infectious bronchitis (IB) has been prevalent, and IB attenuated vaccine is indispensable to prevent the disease. However, IB virus tends to mutate, with its mutant strains founded continually, so the disease cannot be well controlled by the existing vaccines. Therefore, it is an irresistible trend to attenuate the virus from local isolated strain. This paper mainly discusses the method for constructing IB attenuated vaccine. IB attenuated vaccine is acquired mainly by attenuating virus in a natural way or an artificial way. Modern molecular biological method and reverse genetics technique can be used to produce the attenuated vaccine that is safer, has broader spectrum, and shows higher effectiveness, so as to overcome the disadvantages of traditional attenuated vaccine. |
| 4 | 1/1 | 返回列表 |
| 最具人氣熱帖推薦 [查看全部] | 作者 | 回/看 | 最后發(fā)表 | |
|---|---|---|---|---|
|
[考研] 材料與化工272求調(diào)劑 +16 | 阿斯蒂芬2004 2026-03-28 | 16/800 |
|
|---|---|---|---|---|
|
[基金申請] 面上5B能上會嗎? +4 | redcom 2026-03-29 | 4/200 |
|
|
[考研] 調(diào)劑考研 +3 | 王杰一 2026-03-29 | 3/150 |
|
|
[考研] 289求調(diào)劑 +13 | 新時代材料 2026-03-27 | 13/650 |
|
|
[考研] 一志愿211 初試270分 求調(diào)劑 +8 | 谷雨上岸 2026-03-23 | 9/450 |
|
|
[考研] 316求調(diào)劑 +7 | 江辭666 2026-03-26 | 7/350 |
|
|
[考研] 085701求調(diào)劑初試286分 +4 | secret0328 2026-03-28 | 4/200 |
|
|
[考研] 一志愿華北電力大學能動專碩,293,求調(diào)劑 +3 | 15537177284 2026-03-23 | 5/250 |
|
|
[考研] 312,生物學求調(diào)劑 +3 | 小譯同學abc 2026-03-28 | 3/150 |
|
|
[考研] 085405 考的11408求各位老師帶走 +3 | Qiu學ing 2026-03-28 | 3/150 |
|
|
[考研] 291求調(diào)劑 +6 | HanBeiNingZC 2026-03-24 | 6/300 |
|
|
[考研] 315分求調(diào)劑 +7 | 26考研上岸版26 2026-03-26 | 7/350 |
|
|
[考研] 322求調(diào)劑 +4 | 我真的很想學習 2026-03-23 | 4/200 |
|
|
[考研] 考研調(diào)劑 +9 | 小蠟新筆 2026-03-26 | 9/450 |
|
|
[考研] 一志愿陜師大生物學071000,298分,求調(diào)劑 +5 | SYA! 2026-03-23 | 5/250 |
|
|
[考研] 求調(diào)劑 一志愿 本科 北科大 化學 343 +6 | 13831862839 2026-03-24 | 7/350 |
|
|
[考研] 一志愿河工大 081700 276求調(diào)劑 +4 | 地球繞著太陽轉(zhuǎn) 2026-03-23 | 4/200 |
|
|
[考研] 打過很多競賽,085406控制工程300分,求調(diào)劑 +3 | askeladz 2026-03-26 | 3/150 |
|
|
[考研] 303求調(diào)劑 +6 | 藍山月 2026-03-25 | 6/300 |
|
|
[考研] 347求調(diào)劑 +4 | L when 2026-03-25 | 4/200 |
|