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Noor Hussein Abdul-Rahman
noor313hussain@gmail.com
Ghassan Hamdan Jameel
noor313hussain@gmail.com
Talib Jawad Kadhim
noor313hussain@gmail.com

Abstract

Mycoplasma gallisepticum is commonly involved in the polymicrobial "chronic respiratory disease" in broiler chickens, leading to increased condemnations in the processing plant. In layers and breeders, it is usually subclinical, but causes a reduction in the number of eggs laid per hen over the production cycle. The present study aim to sero-identification of the Mycoplasma gallisepticum and study the concentration of interferon gamma. Sixty seven broiler chickens with respiratory signs (infected group), and fifteen healthy chickens considered as control group were used in this study. Blood samples were collected from all groups to perform in enzyme-linked immunosorbent test to identification antibodies for Mycoplasma gallisepticum and the level of interferon gamma. The result was shown (32/67) sample from infected chicken was positive for Mycoplasma gallisepticum and the level of  INF-Gamma is significantly higher in the positive chicken for Mycoplasma gallisepticum infection at (102.34 ± 31.37) pg/ml when compared to control group at found (74.68 ± 12.75) pg/ml. The conclusion that increasing the level of INF-Gamma was affected in the increasing the susceptible to Mycoplasma gallisepticum infection and caused chronic respiratory disease infected to chickens in Iraq

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How to Cite
Abdul-Rahman, N. H., Jameel, G. H., & Kadhim, T. J. (2023). Concentration of Interferon - gamma in Respiratory Disease Infected Chickens Caused by Mycoplasma gallisepticum. Tikrit Journal for Agricultural Sciences, 23(3), 127–133. https://doi.org/10.25130/tjas.23.3.14
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