The microsporidian had a medium oral infectivity and low transovarian transmission to sillworm, Bombyx mori.
对家蚕有中等程度的感染能力,经卵传染频率较低.
The microsporidian had a medium oral infectivity and low transovarian transmission to sillworm, Bombyx mori.
对家蚕有中等程度的感染能力,经卵传染频率较低.
The spot results indicated heat hyperirritability and feed mildew is the main non-infectivity reasons.
而2006年主要由于饲料霉菌素的因素造成的。
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