Quote:
Originally Posted by Drossi
Rainbows are easier to raise(I.e. Cheaper). Only stocker brooks and Browns will be from private stockings. PA doesn't seem to have the same issue raising them though.
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Rainbows are no more or less costly to rear than the other 2 species. They're simply far more resistant to many pathogens than brooks, and to a bit lesser degree browns, are susceptible to. One of the few exceptions to this is 'whirling disease' which seems to primarily effect rainbows.
As far as PA not having issue, actually they have Furunculosis outbreaks at many of their hatcheries every year. They treat and stock the fish with little regard for the potential impacts on either existing wild pops or other species since furunculosis is not just a salmonid disease. There have been many outbreaks in other states that involved everything from smallmouth to sunnies.
