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Re: Interesting Study

Joined:
2006/9/13 10:18
From LV
Posts: 7609
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Quote:

csoult wrote:
Is it possible that there is no interbreeding due to different reproductive cycles? This would make the most sense to me. Even if they were just off by a few weeks would make all the difference. I'm not sure what triggers the spawn but maybe it is much less environmental than some think.

Also, this brings up another question..... How does this change your view of tigers. If this study is true than wouldn't that also be the case with natives breeding with browns. Or maybe true natives do not breed with browns but only brook trout that were stocked generations ago.

Your first question is most likely the reason, that and the fact that they probably don't use the same stream sections.
Tiger trout are a whole other matter, they are 2 different genus' trying to spawn and the brookie has to have defective genes to make the spawning successful. So no it doesn't change my view of how tigers occur in the wild. It is pretty rare.

Posted on: 2013/6/26 17:41



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