The morphology and the classification of haemocytes are the foundations of the immune system studies in Crustracean.Dyeing results of Giemsa,Wright's,Wright's-Giemsa by different staining protocols were studied.Using different concentrations and dosages of dyes,we compared the dyeing results of haemocytes with different staining time,staining temperature,decoloration time and methods.The appropriate protocols of three staining methods were determined according to the dyeing results of granules,nuclei and cytoplasms.
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