Officials said two weeks ago that DNA from Asian carp had been found between the barrier and a lock near the lake.

有官员表示两周前，在电网和密歇根湖附近的一处闸口之间，已发现亚洲鲤鱼的DNA。

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No carp have been found above the barrier, although biologists have detected their DNA in numerous spots past it and even within the lake itself.

虽然生物学家们在电力屏障之上没有发现鲤鱼，但是以往他们在许多地点甚至大湖本身确实发现过亚洲鲤鱼的DNA。

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Therefore, we have proved that there is a close correlation between the artificial multiple triploid carp and its diploid parents in both chromosomal Numbers and relative DNA contents.

研究进一步证明人工复合三倍体鲤与二倍体亲本的染色体倍性和相对dna含量存在着明显的相关性。

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For example, no bighead carp DNA was detected anywhere, including in Iowa where the fish are known to be.

WSJ: Study finds Asian carp numbers low in Minnesota

But scientists have detected Asian carp DNA in dozens of water samples collected farther upstream, some just a few miles from Lake Michigan.

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The DNR said the report reflects the most rigorous study of Asian carp DNA evidence in Minnesota to date, according to the St.

WSJ: Study finds Asian carp numbers low in Minnesota