Abstract
The current study included the possibility using fluorescent Acridine orange stain in the diagnosis of Babesia spp in cattle in Mosul city/Iraq, this dye is easily applied and takes no more than 2-5 minutes in the diagnosis of Babesia spp using of fluorescent microscope versus 45 minutes of Giemsa stain by using light microscope. The benefit of Acridine orange stain is in its uses in epidemiological and survey studies and for the control programs against Babesiosis but it is considered to be of little value in study of morphological features of small blood protozoa with low parasitemia comparing with the golden Giemsa stain in the study of morphological and specifications of Babesia spp.
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