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Re: Ditch at Big Spring Creek, Cumberland County Pa

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If they try that, I'll happily plant some browns from the Letort in there.

Posted on: 10/17 16:44


Re: Ditch at Big Spring Creek, Cumberland County Pa

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2013/9/6 11:40
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So, even if a geneticist/biologist was able to obtain data showing the brookies are not 100% hertitage strain (which is most likely, but not yet conclusive) I personally wouldn't deem them any lesser than a pure strain Brookie.
I don't think these fisheries can afford favoritisms over one type of trout over the other. After all, most of Big Spring below the C&R area is about fishless the whole way to the Mill, other than early season stockings. A stream of this quality should not have to rely on planted trout.
For me, what it boils down to is that upper Big Spring remains a stronghold for wild brook trout -pure or not. Even if there are a handful of other limestone/influenced streams that have Class A brook pops, some of them that I've visited, and each as valuable as any limestone stream, but not comparable to Big Spring which is (in fishermens lingo) a "true spring creek".

Posted on: 10/17 22:24
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Re: Ditch at Big Spring Creek, Cumberland County Pa

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Here's the rub regarding a supposed heritage strain (of anything). Genes constantly change with each successive generation due to a variety of factors. There isn't a "pure" brook trout strain, it's either a brook trout, or not.

Some think there are Loch Leven or German brown trout strains in the wild, but only a brown trout born in Loch Leven, is a Loch Leven brown trout. A wild brown trout born in Pennsylvania, is a Pennsylvania brown trout. Even clones of Loch Leven trout are Loch Leven, unless they're raised there. An organism's environment weighs heavily on it's genetic makeup.

Posted on: 10/18 23:00


Re: Ditch at Big Spring Creek, Cumberland County Pa

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Steve,

I have to disagree. Genetics are genetics regardless of geographic location.

I can take an Irish couple from Ireland and move them to America. The baby born May be American but it has Irish genetics.

Posted on: 11/25 10:44
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Re: Ditch at Big Spring Creek, Cumberland County Pa

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2006/9/13 10:18
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Gens do not change with every successive generation. It sometimes many generations to change. Of course it depends on what your definition of changing genes is.
For instance a stream with a high genetic diversity of genes is preferable to a it having a low diversity. And it is much better across the Commonwealth to have a high diversity of genes in brook trout. They presented information on this at the Wild Trout Summit and one stream came to mind that they talked about having a high genetic diversity is Elk Run. It's an important tributary to Pine Creek. Any stream with a low diversity of genetic diversity is vulnerably to having it's population wiped out by a single even.
Edit: I should probably rephrase that, the genes change but the DNA takes a very long time to change. Genes change but it's important that the ones that fire are the important ones.

Posted on: 2017/12/1 12:02


Re: Ditch at Big Spring Creek, Cumberland County Pa

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They change with every generation. The Greatest Show on Earth, by Richard Dawkins, explains this well.

Posted on: 2017/12/13 11:36


Re: Ditch at Big Spring Creek, Cumberland County Pa

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Salvelinusfontinalis, completely wrong. Ireland is a place, red hair freckles etc are the result of gene expression. There is no such thing as "Irish genetics", only people that are from Ireland. Prefect example, if you have a black person that is born in Ireland, that individual is Irish. Even those with a long lineage who is still living in Ireland, is Irish, but go back far enough and an ancestor is probably a fossil in the African rift valley.

Spoiler alert: cabbages are our distant cousins.

Posted on: 2017/12/13 11:44


Re: Ditch at Big Spring Creek, Cumberland County Pa

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Incorrect. Rb1 is 70 times stronger in people of Celtic origin.

By your logic there are no loch leven genetics in browns either, that is a place andthere would be no such thing as loch leven genetics.

I get what you are tying to say, but every thing I've seen in genetics says otherwise.

Posted on: 2017/12/13 16:34
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Re: Ditch at Big Spring Creek, Cumberland County Pa

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Lol, there is no Celtic origin, bc Celts came from elsewhere https://owlcation.com/stem/Irish-Blood-Genetic-Identity

Posted on: 2017/12/14 12:50


Re: Ditch at Big Spring Creek, Cumberland County Pa

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And yet you can genetically test with in a 99.99 accuracy and tell if a person has those genetics. So much so you can tell the percentages or linage at each branch of their family tree...

We ain't one big race yet.

Posted on: 2017/12/14 20:21
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