Pooramini, M., Kamali, A., Hajimoradloo, A., Ghorbani, R., Alizadeh, M. (2008). Effect of feeding by yeast (Saccharomyces cerevisiae) as a probiotic, in contrast with salinity stress and on intestinal histology in rainbow trout (Oncorhynchus mykiss) fry. *New Technologies in Aquaculture Development*, 2(1), 39-47.