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Walleye

 

Walleye Spawn

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Each night, the netting crew's work begins at dusk and concludes around 1 a.m. Gill nets are set along likely spawning locations at Sherman Reservoir to catch female walleye.
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Biologists quickly and carefully free female walleyes from gill nets during collection at night.
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To collect walleye eggs, one person holds the head while a second person holds down the tail with one hand and gently presses the abdomen with the other to transfer eggs into a bowl .
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Conservation Technician Josh Cloeter accidentally gets walleye eggs on his face.
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Ripe females ready to release their eggs are put into a separate tub to be spawned.
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Walleye eggs and sperm are combined in a bowl with some lake water and Diatomaceous earth to complete fertilization. The mixture is stirred with a gentle goose feather.
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Doug Kapke(left) and Josh Cloeter sifting through walleye eggs to remove any debris before transferring eggs to hatching jars.
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Doug Kapke(left) and Jim Gleim counting walleye fry at Calamus Fish Hatchery.
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Jim Gleim(front) and Doug Kapke cleaning out fry holding tanks at Calamus Fish Hatchery.
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Fish Production Manager Jim Gleim monitors walleye eggs during incubation at the Calamus Fish Hatchery.
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Josh Cloeter stocking walleye fry into hatchery ponds.
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Biologists prepare an oxytetracycline mixture to mark walleye at Calamus Fish Hatchery.
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Jim Gleim prepares samples of walleye fry to be sent to a lab for testing.
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When hatchery ponds are drained, sample counting of walleye fingerlings help biologists estimate the total number of fish in each pond.
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Dave Reiner pouring a bucket of walleye fingerlings into the stocking tank truck.
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Salamanders often get into hatchery ponds and consume walleye fingerlings.

About Jenny Nguyen, Regional Editor/PIO

NEBRASKAland Regional Editor Jenny Nguyen was born in Nha Trang, Vietnam and moved to the United States with her parents in 1992. She graduated from Bolsa Grande High School in Garden Grove, California in 2008 and completed her Bachelor’s at UCLA in 2012. Nguyen was Editor-In-Chief for her high school newspaper and continued to write in college, freelancing for various publications, the Tiger Woods Foundation and writing for her blog FoodForHunters.com. After graduating college, she moved to Nebraska in early 2013 to join the Commission as Regional Editor at NEBRASKAland Magazine. Nguyen enjoys hiking, camping, horseback riding, hunting, fishing and cooking. She is happiest learning and experiencing new things, and looks forward to exploring her new home in Nebraska.

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