Study of effects Aloe vera extract supplemented feed on hematological and immunological indices of rainbow trout (Oncorhynchus mykiss) Journal title: International journal of Advanced Biological and Biomedical Research Authors: Masoud Haghighi| Coldwater Fishes Research Center, Tonekabon, Iran, Mostafa Sharif Rohani| Iranian F... Subject(s): Biological Sciences, Biochemistry, Microbiology, Molecular Biology, Anatomy, Physiology