The effects of feeding different dietary levels of active phospholipids on humeral immune system response in male broilers

Document Type : Research Paper


1 M. Sc. Student, Department of Animal Science, College of Agriculture and Natural Resources, University of Tehran, Karaj, Iran

2 Assistant Professor, Department of Animal Science, College of Agriculture and Natural Resources, University of Tehran, Karaj, Iran

3 Associate Profrssor, Department of Animal Science, College of Agriculture and Natural Resources, University of Tehran, Karaj, Iran


This study was carried out to investigate the effects of dietary levels of an active phospholipids source on immune system response in broilers using 180 male Ross 308 broilers chicks. Experimental diets containing 0, 0.2, 0.4, 0.6, 0.8, 1, 1.2, 1.4, 1.6 % of active phospholipids were prepared in a way that metabolizable energy, protein and other nutrients was the same in them. Blood samples were collected at days 16 for Newcastle test, day 41 for differential measurement of white blood cells and at days 36 and 45 for SRBC test. The obtained results showed that different levels of active phospholipids source had no significant effect on lymphoid organs, number of heterophil, lymphocyte, monocyte, basophil, heterophil to lymphocyte ratio, IgG and IgM titer as well as anti-Newcastle antibody titer in broilers. In conclusion, it seems that levels of used active phospholipids source had no effect on the evaluated immune parameters in this experiment.


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