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Immunocompetence Status of White Plumage Naked Neck versus Normally Feathered Broilers in Tropical Climate

  • Patra, B.N. (Department of Genetics and Animal Breeding, College of Veterinary Science Govind Ballabh Pant University of Agriculture and Technology) ;
  • Bais, R.K.S. (Department of Genetics and Animal Breeding, College of Veterinary Science Govind Ballabh Pant University of Agriculture and Technology) ;
  • Sharma, D. (Central Avian Research Institute) ;
  • Singh, B.P. (Central Avian Research Institute) ;
  • Prasad, R.B. (Department of Genetics and Animal Breeding, College of Veterinary Science Govind Ballabh Pant University of Agriculture and Technology) ;
  • Bhushan, B. (Division of Animal Genetics, I.V.R.I.)
  • 투고 : 2003.07.04
  • 심사 : 2003.11.27
  • 발행 : 2004.04.01

초록

The study was undertaken to evaluate the effect of naked neck gene on mortality, cell mediated and humoral immune response in white plumage broiler population. The mortality of homozygous naked neck (Na/Na) broilers (11.71%) was comparatively lower than that of heterozygous naked neck (Na/na) (12.28%) and normally feathered (na/na) (13.59%) broilers. The humoral immune response was measured against (1% v/v) sheep red blood cells (SRBC) for total haemagglutinin (HA) antibody, 2-mercaptoethanol resistance (MER) or (IgG) antibody and 2-mercaptoethanol sensitive (MES) or (IgM) antibody titre on 7 days post-immunization. The titre was expressed as log2 of the highest dilution which shows complete haemagglutination. Total HA titers of Na/Na and Na/na (11.05$\pm$0.53 and 11.09$\pm$0.38) were comparatively higher than that of na/na (10.26$\pm$0.42). The MES antibody titre of Na/Na (8.50$\pm$0.53) and Na/na (7.63$\pm$0.45) broilers were significantly higher as compared to na/na (6.11$\pm$0.32) broilers. The MER titre of na/na genetic group (4.15$\pm$0.42) was significantly higher than Na/Na (2.55$\pm$0.37) and comparatively higher than Na/na (3.45$\pm$0.38) broilers. In vivo cell response to phytohaemagglutinin-P (PHA-P), measured as Foot Index (FI) in mm expressed significantly higher response in Na/na (0.473$\pm$0.05) and Na/Na (0.413$\pm$0.04) broilers as compared to na/na (0.304$\pm$0.03) broilers. The result of present study suggested that white plumage naked neck broilers had better immune response as compared to normally feathered broilers.

키워드

참고문헌

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피인용 문헌

  1. Effect of the naked neck gene on carcase composition and immunocompetence in chicken vol.49, pp.2, 2008, https://doi.org/10.1080/00071660802005137
  2. Antibody response to goat erythrocytes in endangered Nicobari fowl, Vanaraja and their various F1 and F2 crosses under the hot humid climate of Andaman and Nicobar Islands, India vol.41, pp.2, 2013, https://doi.org/10.1080/09712119.2012.738225
  3. Naked neck and frizzle genes for improving chickens raised under high ambient temperature: II. Blood parameters and immunity vol.70, pp.01, 2014, https://doi.org/10.1017/S0043933914000142
  4. Immunocompetence and Some Hematological Parameters of Naked Neck and Normally Feathered Chicken vol.45, pp.2, 2008, https://doi.org/10.2141/jpsa.45.89
  5. Effect of Naked Neck Gene on Immune Competence, Serum Biochemical and Carcass Traits in Chickens under a Tropical Climate vol.23, pp.7, 2004, https://doi.org/10.5713/ajas.2010.90548
  6. Evaluation of Growth, Carcass, Immune Response and Stress Parameters in Naked Neck Chicken and Their Normal Siblings under Tropical Winter and Summer Temperatures vol.24, pp.4, 2004, https://doi.org/10.5713/ajas.2011.10312
  7. Phenotypic Characterization of Indian Naked Neck Chicken Under Tropical Climatic Conditions vol.10, pp.10, 2015, https://doi.org/10.3923/ajava.2015.527.536