greenlaner2009
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started building late 2014 was up and running in 2016, i think it ran bits in 2015. i dont think it has any bearing on smolt survival. there is a article somewhere on the web showing the company who designs them and how they were sending rainbow trout down one and catching them again at the bottom only a very few fish even showed any sign of scale loss.What was the date of installation of the screw lads? Do we think this is playing a massive part in smolt survival
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