Fig. 2From: Effects of poultry by-product meal and complete replacement of fish oil with alternative oils on growth performance and gut health of rainbow trout (Oncorhynchus mykiss): a FEEDNETICS™ validation studyStandard hematoxylin and eosin (H&E) staining of liver from FM (A) and PBM fish (B). Scale bar, 100 μmBack to article page