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微粒子
    Studies on pathology of silkworm, Bombyx mori during Nosema bombycis infection
    家蚕微粒子虫(Nosema bombycis)感染家蚕的病理学研究
    Study on the Population Dynamic of Nosema bombycis
    家蚕微粒子(Nosema bombycis)种群数量动态的研究
    Comparative Study on the Infectivity and Spore Surface Protein of Nosema bombycis and Its Morphological Variant Strain
    家蚕微粒子虫(Nosema bombycis)与其形态变异株的侵染性及孢子表面蛋白的比较研究
    SCM6(Nosema sp) transovarial transmission rate only were 1.44±0.75% and lower 10 times than Nosema bombycis, No pathogenicity to the silkworms progeny.
    胚传率低于家蚕微粒子Nosema bombycis 10倍以上,为1.44±0.75%,对蚕子代群体的发育无明显影响; 生物学分类与家蚕微粒子Nosema bombycis同属异种,记录为Nosemasp。
    RESEARCH ON THE POPULATION DYNAMICS MODEL AND ITS MECHANISM OF Nosema bombycis IN THE SILKWORM BLOOD
    家蚕血液中微粒子Nosema bombycis种群增殖模型研究
    Microsporidum which was first discovered is Nosema bombycis Naegeli 1857 from the silkworm and it was established for quarantine objective because of transovarial transmission and pathogenetic to filial generation.
    家蚕微粒子(Nosema bombycis Naegeli 1857)是人类最初认识的微孢子虫,由于能通过胚胎传染从母代传染危害子代而被列为检疫对象。
    schuerg. Because SCM6(Nosema sp) transovarial transmission rate only were 1.44±0.75% and SCM7 no transovarial transmission, the study lay down the inspection technique distinguishing from Nosema bombycis and counting method of the moth infecting rate andqualified rules of the silkworm eggs to the SCM6 and SCM7 , and the technique is applied to disease area .
    根据大型微孢子虫SCM_6和小型微孢子虫SCM_7弱度胚传和不胚传的特点,进一步研究制定了与家蚕微粒子Nosema bombycis不同的检验技术、母蛾的病率计算方法及合格标准,并成功地应用于疫区。
    The results comfir-med that Nosema sp.could infect silkworm and it's infection rate was significantly lower than that of TV. b.
    试验证明,大微孢子虫可以感染家蚕,但比家蚕微粒子孢子虫(N.b)感染率极显著降低。
    The microscopic examination of eggs produced by the infected female miths showed that the average transmissible rate of Nosema sp.was 1.79% which significan tly lower than that of N. b. , 94.56%.
    大微孢子虫带病蚕卵镜检调查,平均感染率为1.79%,家蚕微粒子孢子虫(N.b)带病种卵平均感染率为94.56%,经F测验和新复极差多重比较,大微孢子虫胚种传染率极显著地低于家蚕微粒子孢子虫(N.b)胚种传染率。
    A comparison was made of SCM 6 ( Nosema sp.) and SCM 7 ( Endoreticulatus bombycis nov.) isolated from silkworm is Sichuan with Nosema bombycis for their pathogenicity and transovarial transmission in silkworm.
    研究比较了从四川种茧育家蚕分离的大型微孢子虫SCM6(Nosemasp.)和小型微孢子虫SCM7(Endoreticulatusbombycisnov)与家蚕微粒子(Nosemabombycis)对蚕的致病力和胚胎传染性。
    Based on the analysis of milled moth micrograph of Chinese silkworm, this paper proposes a method to obtain the features of nosema′s shape, in which the area, ratio of length to width and complexity of the forms etc are used as important properties to distinguish nosema from other parts of moth.
    通过对家蚕研磨后显微图象的分析,提出了含微粒子图象的形状特征提取方法.并把面积、长宽比、复杂度等作为微粒子和其它组织区分的重要形状特征.
    Among five kinds of pebrine sporozoa from the silkworm,it was only Nosema bombycis that had strong pathogenicity and germination transmission to the silkworm.
    家蚕体内分离发现的 5种微粒子虫中 ,除家蚕微粒子虫 ( N osema bombycis)外未发现对家蚕具有较强致病性和胚传性的微粒子虫。
    However,it was observed that some pebrines derived from wild insects also had as strong effects as Nosema bombycis on silkworm.
    野外昆虫中已有大量微粒子虫被发现 ,其中有些对家蚕也有很强的致病性和胚传性 ,但其原始寄主尚有诸多不明之处。
    At present their original host was unknown,therefore,ultimate methods to control wild insect pebrine were relied on preventing the Nosema bosema bombycis pollution and strengthening disinsection in mulberry field.
    所以 ,蚕种生产中防止野外昆虫微粒子虫对生产影响的根本途径在于控制家蚕微粒子虫污染的扩散和桑园治虫
    Nosema bombycis spores were injected per os to fifth instar silkworm four times with different dose,the mother moth examination was carried out ,and also these pebrine infect-ed moths were mixed with uninfected moths and the detection of the spored was done to check the sensitivity of detection by mass method,results revealed that the sensitivity of detecting the infected moth was fool proof even among180moths.
    本试验通过用不同剂量的家蚕微粒子虫孢子感染5龄期家蚕幼虫,获得微粒子病毒蛾,并将这些有病蛾混入数量不等的未感染母蛾中,进行微粒子病检出率的测试,结果表明:在样本容量为180蛾时,检出率仍可达到现行生产要求的100%。
    A new morphological variant strain was produced by infecting the mulberry looper, Hemerophila atrilineata [Phthonandria atrilineata], with Nosema bombycis successively for 24 times, and named 24Nbh. Comparative studies on morphology, infectivity and spore surface protein were conducted.
    用家蚕微粒子虫(Nosemabombycis,Nb)连续感染桑尺蠖(Hemerophilaatrilineata)24次后,获得孢子显著变粗短(P<0.01)的形态变异株(24Nbh)。
 

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