To study the effect of tea polysaccharide on immune function and antioxidative activity in broilers, 0%、0.2%、0.4% of tea polysaccharide were added into the drinking water for broilers respectively. Results showed that thymus index and serum IgG levels of broilers were increased obviously by TP（P<0.05）, furthermore lymphocyte transformation rate, macrophage activity, percentage of T cell numbers Serum SOD, GSH-Px and CAT activities in broilers were increased obviously by TP at same time（P<0.05）but not to index of fabricius bursa of broilers. Serum MDA levels of broilers were declined obviously by TP（P<0.05）.
HU Zhong-ze
,
JIN Guang-ming
,
WANG Li-ke
,
YANG Jiu-feng
. Effect of Tea Polysaccharides on Immune Functions and Antioxdative Activity in Broilers[J]. Journal of Tea Science, 2005
, 25(1)
: 61
-64
.
DOI: 10.13305/j.cnki.jts.2005.01.011
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