%0 Journal Article
%T IMMUNE FUNCTION OF IMMATURE RAINBOW TROUT (Oncorhynchus mykiss ) RELATED WITH PHOTOPERIOD<br>光周期影响雌性虹鳟鱼的免疫活动
%A 侯亚义
%A 韩晓冬
%J 动物学研究
%D 1999
%I Chinese Academy of Sciences
%X Radioimmunoassay,enzyme linked immunospot assay and enzyme immunoassay were used for the determinations of plasma steroid hormone's level,antibody producing cell's counting and IgM level in this study.The decreased number of antibody producing cells and low IgM levels were observed in sexual immature rainbow trout during the spawning season.These fish were reared under almost constant water temperature and natural photoperiod.Moreover,low IgM level was also observed in immature rainbow trout,which were reared under short photoperiod,and IgM level was not changed by treatment of testosterone.The results suggest that photoperoid may cause the changes in immune competence.It is possible that circadian rhythm accompanied with photoperiod may influence physiological function of fish,so that immune competence is changed.
%K Rainbow trout
%K Immune function
%K Photoperoid<br>虹鳟
%K 免疫功能
%K 光周期
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=90BA3D13E7F3BC869AC96FB3DA594E3FE34FBF7B8BC0E591&jid=7C502F1A6798ACE1B8C57E291C48C7F1&aid=C052634D36FB47E8&yid=B914830F5B1D1078&vid=A04140E723CB732E&iid=B31275AF3241DB2D&sid=238BD7580EFCC5AE&eid=EB58C3052341AAA3&journal_id=0254-5853&journal_name=动物学研究&referenced_num=0&reference_num=19