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Effect of Selection for Increasing Body Weight at Harvest on Immune Response Parameters in Second Generation of Nile Tilapia (Oreochromis Niloticus)

Author

Listed:
  • Emad M Zidan

    (Faculty of Veterinary Medicine, Alexandria University, Egypt)

  • Samy Y El-Zaeem

    (Animal and Fish Production Department, Alexandria University, Egypt)

Abstract

This work was conducted to investigate the effect of selection for increased body weight on immune response parameters in second generation of Nile tilapia, Oreochromis niloticus by collecting eight fish from selected full-sib families and eight fish from control breed line. Blood samples were collected from the fish caudal peduncle of the two groups, and immune response parameters were measured as total protein, albumin, and globulin, ALT, AST, Urea, and creatinine, lysozyme activity, bactericidal activity, total lipid, trigylcerol, total cholesterol, and hematological parameters. The results revealed that the immune response parameters were higher in selected breed line than control breed line and this concluded that selection for increased body weight improved immune response and functions which play a role in disease resistance.

Suggested Citation

  • Emad M Zidan & Samy Y El-Zaeem, 2019. "Effect of Selection for Increasing Body Weight at Harvest on Immune Response Parameters in Second Generation of Nile Tilapia (Oreochromis Niloticus)," Oceanography & Fisheries Open Access Journal, Juniper Publishers Inc., vol. 10(1), pages 7-10, May.
    • Handle: RePEc:adp:jofoaj:v:10:y:2019:i:1:p:7-10
    DOI: 10.19080/OFOAJ.2019.10.555777
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