https://www.vetsurgeon.org/f/clinical-questions/30041/rainbow-trout-infested-with-a-possible-parasite Hi. A Rainbow trout fish farmer claims weight gaining has stopped in his fish. Culture size: small-scaled farming Culture type: super-intensive, open-air raceway Water quality was considered as acceptable despite the excessive amounts of someen-USTelligent Community 10https://www.vetsurgeon.org/thread/233718?ContentTypeID=1Thu, 28 Oct 2021 21:23:52 GMT146601cc-3922-4be7-9974-7e1d4e45a66b:362d2b93-739c-43d2-8834-6ca937e42c4cAhmadreza Davoudi<p>[quote userid="28556" url="~/001/veterinary-clinical/farm-animal/f/expert-help/30041/rainbow-trout-infested-with-a-possible-parasite"]Trichodiniasis[/quote] <p>My bad! Think it should be Epistylis not Trichodina.</p></p><div style="clear:both;"></div>