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NBrevitz  
#21 Posted : Thursday, March 14, 2019 5:18:18 AM(UTC)
NBrevitz
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Originally Posted by: MN Driftless Go to Quoted Post
Just to be clear, heritage does not mean native.

https://www.dnr.state.mn...mar-apr/brook-trout.html


There are supposed to be several creeks near the Baraboo Ridge with truly native Brookies, and no stocking influence. I’ve heard conflicting things on the MN Heritage fish. The fish I caught on a tiny Zumbro trib definitely seemed a bit different. Sadly, even that thing is now overrun with Browns. They’re like Carp, they take over anything.

I think it’s very interesting how Browns generally fail miserable on the N Shore, but Brookies do pretty well.
"I fish because I love to: Because only in the woods can I find solitude without loneliness."
Gurth  
#22 Posted : Thursday, March 14, 2019 2:35:20 PM(UTC)
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So I harassed my fisheries biologist about the term heritage as it relates to Wisconsin brook trout. This is the applicable sections of the email exchange:


Regarding "heritage"… I've always took it to mean that these are trout that haven't been stocked at any time and are the descendants of the trout that have always been here – not mixed with eastern or any other stockers.

Do I have that right? Do populations of genetically pure Wisconsin brook trout still exist?


"Yes, the “Heritage” strain is thought to be the driftless area genetics that have been here all along, with no to very little mixing. I say no to very little mixing as there is no guarantee there was never any stocked fish. We are getting those genetics into the hatchery program."


Take out the guarantee that these are pure and I'm going with the possibility/likelihood that they are. The DNR thinks so even if they aren't willing to guarantee it.

Of course an egg could have hitched a ride on a heron foot or duck's ass and then all bets are off.

Flapper


.

Edited by user Thursday, March 14, 2019 5:37:35 PM(UTC)  | Reason: Not specified

“Harvest eaters... release trophies.” -Gurth
Private correspondence at: jkschind "at" tds.net
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