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家蚕微孢子虫感染雄蛾交配对雌蛾的影响

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微孢子虫是母蛾检疫的唯一对象,为探明家蚕微孢子虫感染雄蛾交配对雌蛾的影响,了解其对蚕种生产的危害性,用患微粒子病的家蚕雄蛾与未患病雌蛾(各50只)进行交配试验,并统计分析交配后的感染率。结果表明:患有家蚕微孢子虫的雄蛾,能通过雌雄蛾交配把微孢子虫传给雌蛾,雌蛾微孢子虫检出率为66%,其交配传染率达78.57%,增加了各级蚕种因母蛾检测有微孢子虫而淘汰的风险系数。因此,蚕种生产过程中防微病工作很重要,必须贯彻预防为主、综合防治的方针,切断幼虫期食下感染的途径,减少因雄蛾感病通过交配而传给雌蛾的概率,减少蚕种损失。
Influence of Microsporidium on Female Silkworm Moth after Mating of the Female and Male Silkworm Moth
Micropsoridia is the only target on the quarantine of female silkworm moth.In order to clarify the influence of microsporidium on the female silkworm moth after mating of the female and male silkworm,and understand the harmfulness of silkworm egg production.The authors conducted mating test of infected male silkworm moth and uninfected female silkworm moth.And the infection rate was analyzed after mating.The result indicated that the microsporidian spores,N .bombycis,can be transmitted from infected male silkworm moth to uninfected female silkworm moth by mating.The detection rate and mating infection rate reached 66% and 78.57% respectively,and increased the elimination rate of silkworm eggs because of the Pebrine mother moth.So,the work of prevention to pebrine is very important in the process of the silkworm eggs production.The principle of prevention first,comprehensive control must be executed.In order to cut off the way of food transmission of infection,reduce the infective probability of female silkworm moth which was infected by mating with the infected male silkworm moth,and reduce the loss of silkworm eggs.

Bomby morifemale and male silkworm mothmatingmicropsoridiainfection

陈世良、高建华、杨荣贵、高翔、张金祥、朱峰

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云南省农业科学院 蚕桑蜜蜂研究所,云南 蒙自 661101

家蚕 雌雄蛾 交配 微孢子虫 感染

2015

贵州农业科学
贵州省农业科学院

贵州农业科学

CSTPCD
影响因子:0.642
ISSN:1001-3601
年,卷(期):2015.(2)
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