There are experimental designs, using twins, that can find out the extent to which intelligence and mortality are linked because they share environmental and genetic influences.
Experimental model animal can survive for a long time with low mortality, benefiting for researches on chronic cerebrovascular diseases.
模型动物存活时间长,死亡率低,有利于慢性脑血管病的研究。
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The experimental results reveal that the infective mortality of larva microsporidiosis reduces with the increase of larva instar and increases with the increase of spore concentration.