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Effect of Origanum vulgare Extract on Immune Responses and Heamatological Parameters of Rainbow Trout (Oncorhynchus mykiss)

Author

Listed:
  • Masoud Haghighi

    (Cold-water Fishes Research Center, Iranian Fisheries Science Research Institute, Agricultural Research, Education and Extension Organization (AREEO), Iran)

  • Hamid Pourmoghim

    (Department of Veterinary Basic Sciences, Islamic Azad University, Iran)

  • Mostafa Sharif Rohani

    (Iranian Fisheries Science Research Institute, Iran)

Abstract

In this study, Origanum vulgare extract was used to evaluate its effects on immune responses and hematological parameters of rainbow trout (Oncorhynchus mykiss). Six hundred (600) averages mean weight 13±0.05g rainbow trout (Oncorhynchus mykiss) were randomly allocated into two groups including placebo-treated group (control), and Origanum vulgare extract-treated group, each of three replicates. The fishes were hand-fed once a day with diet medicated placebo or Origanum vulgare extract (OE) at a rate of 1% of feed weight in the first feeding for 8 weeks. At the end of every two weeks 24hrs after feeding, fish were bled from caudal vein and blood samples were analyzed for some of hematological and immunological parameters. The results showed that serum total protein, albumin and globulin, respiratory burst activity, phagocytic activity and serum lysozyme activity vary among the two treatment groups which were found to be higher in OE-treated group (P

Suggested Citation

  • Masoud Haghighi & Hamid Pourmoghim & Mostafa Sharif Rohani, 2018. "Effect of Origanum vulgare Extract on Immune Responses and Heamatological Parameters of Rainbow Trout (Oncorhynchus mykiss)," Oceanography & Fisheries Open Access Journal, Juniper Publishers Inc., vol. 6(3), pages 71-76, February.
    • Handle: RePEc:adp:jofoaj:v:6:y:2018:i:3:p:71-76
    DOI: 10.19080/OFOAJ.2018.06.555687
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