雞胚致死病毒 的英文怎麼說

中文拼音 [jīpēizhìsǐbìngdú]
雞胚致死病毒 英文
chicken embryo lethal orphan virus
  • 雞 : （家禽的一種, 也叫家雞） chicken
  • 胚 : 名詞[生物學] （初期發育的生物體） embryo
  • 致 : Ⅰ動詞1 （給與;向對方表示禮節、情意等） deliver; send; extend 2 （集中於某個方面） devote （one s ...
  • 死 : Ⅰ動詞（失去生命） die Ⅱ形容詞1 （不顧生命; 拚死） to the death 2 （達到極點） extremely; to death...
  • 病 : Ⅰ名詞1 （疾病; 失去健康的狀態） illness; sickness; disease; malum; nosema; malady; morbus; vitium...
  • 毒 : Ⅰ名詞1 （對生物體有害的性質或物質; 毒物） poison; toxin 2 （毒品） drug; narcotics 3 （姓氏） a s...
  • 致死 : causing death; lethal; deadly
  • 病毒 : [醫學] virus; inframicrobe （濾過性）
  1. The results of biological tests have demonstrated that allantoic fluid of the first passage virus did n ' t produce macroscopic pathogenic role to chicken embryos and after passaged for four times, gross lesions were observed in chicken embryo. the virus showed typical coronavirus under electron - microscope and it could n ' t form plaque in cef cells and could hemagglutinates chicken red blood cells after treatment with 1 % trypsin. to surprise, the virus replicated in cef cells also showed hemagglutination activity to chicken red blood cells. in addition, the spf chickens which inoculated with the virus isolated from the chicken damaged tissue showed clinical sign and grow lesion, but it ' s gross lesion did n ' t resemble to those of field outbreaks

    生物學特性：雞胚尿囊液經離心、磷鎢酸負染后，電鏡觀察該病毒為典型的冠狀病毒；該毒株的第一代尿囊液對雞胚無肉眼可見的致病作用，當繼代到第5代后，胚體嚴重病變；病毒在雞胚中隨著接種時間的延長，其效價增高， 96h可達到48h的2倍；該毒株可在cef上生長，但不能形成明顯的蝕斑；經1胰酶處理后可凝集雞紅細胞；雞胚的第四代尿囊液病毒回歸動物體，病死雞腎臟呈典型的花斑腎，腺胃則未見肉眼可見的病變。
  2. By morphologic examination, structure characteristics ^ biological property n serological tests and pathology characteristic study, this virus was identified as the medium virulence chicken. new castle disease virus ( ndv ), whose pathology characteristics were appeared different from those of the standard virulence ndv. la sola vaccine could not give good protection against the infection of this virus isolate

    用spf雞胚在吉林省患病雞群中分離到一株病毒，經病毒形態學、結構特徵、生物學、血清學及致病性等試驗研究，確定該病毒為雞新城疫強毒，對lasota免疫雞的致病性及其致死率與雞新城疫標準強毒e _ 9f _ （ 48 ）對比差異顯著， lasota疫苗對該株病毒免疫保護效果不理想。
  3. The results also indicated that the virulence of the most ibdv field collected in recent years was between the typical very virulent and standard virulent strains. a very virulent strain gx8 / 99 of ibdv was studied for its mortality in spf chickens and commercial egg - type chickens at different age inoculated with bursal suspension of 20 - 2000 eld50 in repeated experiments

    選擇致病性最強的來自廣西的gx8 99株，在對法氏囊懸液中病毒用雞胚半數致死量（ eld _ （ 50 ） ）定量測定后，在不同年齡的spf雞和商品代蛋用型塢多次重復地比較研究了該毒株的致病性。
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