by Brian Stallard, Nature World News
A type of rainbow trout, called steelheads, are dying off in droves as they make their way from Lake Ontario to the Salmon River in Oswego County, and the New York state Department of Environmental Conservation (DEC) says it all has to do an inexplicable vitamin B deficiency.
http://www.natureworldnews.com/articles/11783/20150108/ny-steelhead-trout-need-vitamins-dec.htm