The disease caused by Trichodina spp.is the most common protozoa parasite disease in aquaculture.This study investigated the percentage of all kinds of white blood cells of hybrid tilapia(Oreochromis aureus×Oreochromis niloticus) with infection and non-infection of Trichodina spp..The results showed that the percentages of lymphocytes and neutrophils in the blood of infected tilapia were signifcantly higher than those in the non-infected fish.But the percentage of monocytes in the blood of non-infected tilapia was much lower than that in the infected ones.These results suggested that lymphocyte and neutrophil can resist Trichodina spp.infection;and the monocyte also has some resistance effect on Trichodina spp..The study suggested that the cellular immunity of tilapia was significantly increased when the fish were infected by Trichodina spp.
李利, 张其中*. 车轮虫感染奥尼罗非鱼的白细胞分类百分比变化[J]. , 2007, 26(5): 452-455.
LI Li, ZHANG Qi-zhong. Changes of the percentage of leucocytes in blood of Hybrid tilapia with the Trichodina spp. infection. , 2007, 26(5): 452-455.
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