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Thursday, January 6, 2011

Going To the Nimbus Hatchery

Today Tolerance Kids went to the Nimbus Hatchery.We had a lot of fun seeing two kinds of salmon and types of birds like: Merganser, Falcon, Swifter, Great Blue Heron, Ducks, and Egret. We saw a documentary of the salmon. Mrs. Liss was featured on the documentary with her class 10 years ago. We saw how the Nimbus Hatchery get the female's eggs. They would also artificially fertilize the eggs. They would bang the males with a mallett and they would cut off the female's head. But before they would cut or injure them, they would shock them. We saw bones of a Chinook Salmon's mouth they even had teeth on their tongue!! We also saw how they took out the eggs. They would put the eggs in a container. Each have at least 77,000 in each container. A Salmon Trout could spawn more than a Chinook, they could at least spawn 4-5 times. They survive when they go to the Nimbus Hatchery. They would do something different to get the eggs out of the Salmon Trout, they would sting the female, and compress air on the belly and she would release the unfertilized eggs and they would squeeze the male to squirt a liquid to fertilize the eggs and a person would mix the liquid around so all the eggs are fertilized. If the Salmons aren't ready to spawn they would hold them in a "runway" until they're ready to spawn. We learned about the most dangerous predators to the Chinook Salmons......US! It is very important to be tolerant of all creatures, fish included!

3 comments:

  1. This was a fun and adventurous field trip and a very cold one to. I loved how they would raise 4 billion salmon a year!!!!

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  2. i had fun on the trip it was fun i like it!!!!

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  3. The field trip was fun and educating. We learn more stuff about the salmons. I hope we get to go there again

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