Dynamics of Macrophages in Laying Hens during Second and Third Production Cycles after Zinc Induced Molting

• Sandhu Mansur A.

  Department of Physiology & Pharmacology, University of Agriculture

• Rahman Zia U.

  Department of Physiology & Pharmacology, University of Agriculture

• Rahman Sajjad U.

  Department of Veterinary Microbiology, University of Agriculture

抄録

The influence of a non-feed removal molting program on certain parameters of cell mediated and humoral immune response of the laying birds during 2^nd and 3^rd production cycles were recorded. Birds at the end of their 1^st production cycle were induced to molt through the supplementation of high dietary zinc oxide (3000mg/Kg) for their 2^nd and 3^rd production cycles. Macrophage engulfment (%) and engulfment/cell were significantly increased after the use of opsonized sheep red blood cells (SRBC) for co-incubation during 2^nd production cycle. Lipopolysacchrides (LPS) greatly enhanced the production of nitric oxide, as compared to the SRBC stimulation during the 2^nd production cycle. Zinc feeding strengthened the antibody response against Newcastle disease virus (NDV) and egg drop syndrome virus (EDS) at the peak of the 2^nd and 3^rd production cycles, but decreased at 5% production stages. NDV also provoked a better antibody response when compared to EDS. Zn concentration in plasma showed a positive correlation with an increase in egg production. Our results validate the strengthened immune response during the 2^nd production cycle after zinc-induced molting.

収録刊行物

• The Journal of Poultry Science

  The Journal of Poultry Science 43 (3), 286-295, 2006

  日本家禽学会

キーワード

• antibody titers
• laying hen
• molting
• peritoneal macrophages
• zinc

詳細情報

• CRID: 1390282680182568704
• NII論文ID: 10018180389
• NII書誌ID: AA11564513
• DOI: 10.2141/jpsa.43.286
• COI: 1:CAS:528:DC%2BD28XoslKgu7c%3D
• ISSN: 13490486
• ISSN: 13467395
• NDL書誌ID: 7990732
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I7990732
• Web Site: https://www.jstage.jst.go.jp/article/jpsa/43/3/43_3_286/_pdf
• 本文言語コード: en
• データソース種別:
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  • NDL
  • Crossref
  • CiNii Articles
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