Farmington River Survivor Strain

[alanb_ct]

This is so interesting and informative, I felt it deserved a place on our forum. Thanks to CT DEP for the great work they do.

(from Fly-Addict web-site)
Post from Neil Hagstrom, Connecticut Department of Environmental Protection

Survivor Broodstock

This has been an ongoing project since 1995. There were several different groups of fish in the river during the first years: residual bitterroots for FRAA vibert boxes; seeforellens from fry stockings in the tribs.; Rome and Cortland strain brown trout from the hatcheries. Whatever fish made it to the fall where used as brood stock. Only the wary, and strong would have made it.At first we were lucky to find a handful of fish over 14 inches.
Within a generation distinct behavioral changes were seen in the juvenile survivor strain trout. While fish from hatchery broodstock would always swim to the people putting out food, Survivor strain fish avoid anyone around their tanks.
Over time we have seen a increase in the wild brown trout in the TMA and we preferentially use these fish for broodstock. Last year every cross we did during breeding included at least one wild fish, often both parent were of wild origin.

I have been keeping genetic samples of many of the year class, but the cost of doing the genetic tests to see if the selective pressures of the river have changes the genetics is high. So we can't prove we have made a difference.

If your out in the fall, watch the groups of spawning fish. We have browns that spawn as early as mid-oct and as late as January. The late spawners probably have a lot of bitterroot or seeforellen strain in them. bitterroots are characterized by small dark spots. The large spots and bright yellows are more characteristic of the cortlands.

Another trait brought my attention by one of you, was the number of these fish that are starting to so vermiculations on their back (the worm pattern seen on brook trout backs). This is unusual. This is something that I have only seen in some of the Norwegian strains. Search for the TroutConcert site and look at their photo gallery if you want to see the variety of brown trout that exist in Europe.

[alanb_ct]

By the way, the CT DEP is electroshocking the Farmington the next couple days (Sept. 15 and 16) for the collection of broodstock. I am hoping they are able to collect the superior genes from Aaron's 28in brown!!!

They are drawing the water way down for this event, as they do every year. They usually collect a hundred fish or so, then return them to the river after hatchery spawning.

[AaronJasper]

I would tell them where it is but I would have to kill them

I wish that someone else would have caught it. That fish was giant and very impressive as well. Where I the picture

[Gregorygob]

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[Gregorygob]

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[Gregorygob]

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[Gregorygob]

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[Gregorygob]

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