Since 1995 the so-called avian infectious proventriculus disease,whose characteristic changes were stunted growth and severe swelling of proventriculus,has been repored in broiler flocks from some areas of Jiang su province.

1995年以來(lái)在江蘇一些市縣養(yǎng)雞場(chǎng)和養(yǎng)雞專業(yè)戶蛋雞群流行以生長(zhǎng)阻滯日韩一区在线AⅤ，剖檢表現(xiàn)為腺胃顯著腫大為特征的一種原因不明的"雞傳染性腺胃病"亚洲欧美xx。

A new avian infectious bronchitis isolate(IBV D971)that caused infectious proventriculus disease were used to infect 1 day old SPF chickens.

用腺胃病變型雞傳染性支氣管炎病毒分離株IBV D971 毒株接種1 日齡SPF 雞，可引起60％死亡国产午夜无码精品免费看。

By using combinationo of virus isolation and identification of diseased tissu nucleic acid dot blot ,the so-called infectious proventriculus disease was demonstrated to be a new typeof avian infections broncchitis.

通過病原分離国产丝袜在线、鑒定日本黄色免费网站在线观看，血清學(xué)檢測(cè)，病原免疫原基因分離亚洲一码、鑒定，病料組織核酸點(diǎn)雜交等方面診斷研究欧美另类A片在线播放，證明本病是一種新近報(bào)道的腺胃病變型為特征的禽傳染性支氣管炎女同一区二区三区。

A virus strain was isolated from the arthrosis of broiler chickens.The virus was shown to have spherical particles with isometric symmetry,no envelope,double deck capsids,with outer capsid of 75nm,inner one of 50nm in diameter by electron microscopy.The virus was not sensitive to aether,acid and heat.The virus could multiply on the chick embryo fibroblastcell,and could cause syncytial pathologic change with the appearance of cytoplasm inclusion bodies.The challenged chickens of one-day old by nasal,oral,intramuscular and pulvillus injection displayed obvious clinical symptom of severe arthritis and accompanied with pathological changes of malabsorption and necrosis.Meanwhile,four avian reovirus isolates CL,S1133,YH and YB were examined in the cross-neutralization test.

從臨床患病雞關(guān)節(jié)病料中分離到一株病毒，在電鏡下觀察到病毒粒子無(wú)囊膜免费在线网站你懂得，有雙層衣殼多色视频成在线观看，外衣殼直徑約75nm，內(nèi)核約50nm亚洲激情偷拍；分離病毒株對(duì)酸涩涩涩亚洲日韩一区二区、熱有較強(qiáng)的抵抗力，對(duì)乙醚不敏感91福利在线精品国产；病毒感染雞胚成纖維細(xì)胞上能產(chǎn)生以融合細(xì)胞為特征的CPE女子裸体网站；爪墊接種1日齡雛雞表現(xiàn)出明顯的病毒性關(guān)節(jié)炎臨床癥狀，并伴有吸收障礙型和壞死型的病理變化在线国产观看；血清中和交叉試驗(yàn)表明狠狠亚洲超碰狼人久久老人，該病毒分離株與國(guó)內(nèi)的2株番鴨源呼腸孤病毒分離株和國(guó)外S1133呈不同程度的交叉反應(yīng)。

Some key techniques related to the close and continuous process were investigated by the application of H9N2 avian influenza virus with Vero cells, such as the susceptibility of cell to influenza virus, virus production with cell microcarrier culture method, cell bead-to-bead transfer, virus production through bead-to-bead transfer, cell culture and virus production with serum free medium, metabolism analysis, and repetitiously intermittent bead-to-bead transfer of cell for virus production to simulate the close and continuous process.

通過使用Vero細(xì)胞增殖禽流感病毒H9N2免费黄色在线网站视频，本文針對(duì)封閉連續(xù)工藝過程的一些關(guān)鍵技術(shù)開展研究亚洲综合一区二区三区无码，包括細(xì)胞對(duì)流感病毒敏感性分析、細(xì)胞微載體培養(yǎng)生產(chǎn)病毒工藝免费欧美一级A片、細(xì)胞珠到珠轉(zhuǎn)移欧美成年人性视频、轉(zhuǎn)移后細(xì)胞對(duì)病毒增殖敏感性驗(yàn)證、細(xì)胞無(wú)血清培養(yǎng)生產(chǎn)流感病毒亚洲色图国产、代謝分析欧美日本一道本免费三区、可模擬連續(xù)操作的多次間歇式珠到珠轉(zhuǎn)移培養(yǎng)細(xì)胞生產(chǎn)流感病毒等方面。

It was estimated that 1.4 million human cases with non-typhoidal Salmonella infections, and probably 800-4000 related deaths occur in the United States annually. In terms of public health, avian salmonellosis is a hazard to cause food poisoning cases in humans.

沙門氏菌癥為重要的人畜共通傳染病CaoPoron草棚在线视频，美國(guó)每年約有视频一区图片一区另类、40萬(wàn)人以上感染非傷寒性沙門氏菌癥，造成800-4000件死亡案例亚洲午夜精品视频，以公共衛(wèi)生的觀點(diǎn)黄色视频在线播放网站，家禽感染沙門氏菌最易引起人們食物中毒。

An historic, unprecedented avian biped with the temerity to attempt such an herculean achievement formerly relegated to homo sapien pedestrians is truly a remarkable occurence.

一只前所未有的兩足鳥類九一人人操人人摸，以無(wú)比的勇氣完成原本只有人類才能完成的艱鉅任務(wù)最新国产在线走光视频，真是驚人的成就！

An historic, unprecedented avian biped with thetemerity to attempt such an herculean achievement formerlyrelegated to homo sapien pedestrians is truly a remarkableoccurence.

一只前所未有的兩足鳥類中文字幕精品一区二区日本，以無(wú)比的勇氣完成原本只有人類才能完成的艱鉅任務(wù)A级片网站多少，真是驚人的成就！

Avian flu chases scumble to change to the influence of rasorial industry.

禽流感對(duì)家禽產(chǎn)業(yè)的影響逐漸淡化。

In recent years, frequent emergent public incidents add to cooperation between China and ASEAN. During the years from 2003 to 2005, China cooperated with ASEAN effectively, fighting against SARS, participating rescue operation in the Indian Ocean seaquake, and fighting against Avian Influenza.

近年來(lái)頻繁發(fā)生的突發(fā)公共事件使中國(guó)與東盟的合作增加了新的內(nèi)容日韩国产一区。2003~2005年欧美日韩国内，中國(guó)與東盟在抗擊"非典"、印度洋海嘯救援和應(yīng)對(duì)禽流感等突發(fā)公共事件方面進(jìn)行了有效的合作九九视频热播。