THE RELATIONSHIP AMONG IMMUNE RESPONSE TO SRBC ANTIGEN AND SOME ENDOGENOUS ANTIOXIDANT ENZYME ACTIVITIES IN CHICKENS

Document Type : Original Article

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Dept. of poultry and Fish Production, faculty of Agric., Menoufia Univ., Egypt.

Abstract

This experiment was conducted during the period from February 2017 until June 2018. The experiment was designed to study the relationship among immune response to the SRBC antigen, and some endogenous antioxidant enzymes activities in chickens.
The results can be summarized in the following points:
1- The highest activity of the catalase enzyme was achieved in the low immunity group of Norfa chickens, whereas the lowest activity of the catalase enzyme was in the high immunity one while the control group was medium between the two groups.
2- Studing the relationship between superoxide dismutase activity and immune response to antibody indicated that, the highest activity value of superoxide dismutase was recorded for the low immunity group. On the other hand, the lowest activity of (SOD) was observed in the high immunity group.
3- The relation between Malondialdehyde concentration (oxidative stress) and immunity groups indicated that, there were no significant differences between the high immunity group and the control one in MDA concentration. There were significant differences between the low immunity group and the two others.
4- The present results demonstrated that there were highly significant (P ≤ 0.01) negative correlation between antibody titers and both CAT and SOD antioxidant enzymes activities. While MDA concentration had highly significant positive correlation with antibody titers.

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