Ulukoy, G., Metin, S., Kubilay, A., Guney, S., Yildirim, P., Guzel-Seydim, Z., Kok-Tas, T. & Gumus, E. (2017) The Effect of Kefir as a Dietary Supplement on Nonspecific Immune Response and Disease Resistance in Juvenile Rainbow Trout, Oncorhynchus mykiss (Walbaum 1792). JOURNAL OF THE WORLD AQUACULTURE SOCIETY , 48(2), 248-256.