Was down at Wolf Lake gathering video for the GLMUS video I'm working on this year. The news is that things look good so far. About 140,000 spring fingerlings that are going to be moved to ponds in a few weeks. A couple frame captures from todays video.
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Just because they're all siblings doesn't mean they're nice to each other…
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HAHA that is great! I can picture my kids attempting that move someday… Also think maybe that particular fish might have an issue with being one that gets caught a few too many times. Lets hope for a good year in the ponds, with no overcrowding, lack of oxygen or disease issues. And of course I imagine the earthen pond will get about 70-80k of them???
Thanks for the update, and I'm loioking forward to seeing this video.
Numbers in the lined ponds are going to be reduced. Matt and I discussed other "situations" concerning the rearing/stocking that likely contributed to the downfall of Big Bear as well as the poor returns during the Thornapple survey this spring. I have Matt convinced that we need to adopt a new marking process and also asked that we overwinter 1/3 of the Thornapple annual stocking. Sucks that we've probably been spinning our wheels on the brood lakes but we'll get it figured out.
"swanezy" said:
Will, what do you mean by overwinter 1/3? Do you mean holding off in stocking to let some of them grow bigger until spring?
I know I am not Will, but I wanted to add a question…
Anyhow, yes, he means to hold them at the hatchery until they are almost a year old, and hopefully more like 12+ inches than the 8-9 we have been stocking. Obviously larger fish fare better after being planted.
That said, I know that the small size is because of the late harvest dates getting the eggs from LSC/Detroit RIver, making for smaller/younger fall fish, but what are the temp differences between thorn and LSC/DR and do they have any indication of preferred temps in GLS fish from the brood that are different from the NMUS? I'm also curious if there is any genetics involved in egg production, or if thermal period and/or photo period are the determining factors in egg production.
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