Veterinary Case Studies D-3
D.2 Dogs
Dog samples show RBC peaks around 60
–
70 fl with a good separation of the PLTs from the RBCs.
Canine lymphocyte populations (lymphocytes, monocytes, and granulocytes) can overlap as a result of
similar cell sizes.
D.2.1 Dog: Normal Sample
The following shows a normal dog histogram.
These histograms indicate the following:
WBC — All cells larger than approximately 40 fl are counted as WBCs (indicated by
discriminator 1). Discriminators 2 and 3 show the MON population. The histogram
shows well-defined LYM and GRA peaks, with MON in the valley between them.
RBC — All cells larger than 25 fl are counted as RBCs. The RBC histogram follows a
normal distribution. The MCV is near 68 fl, and the RBC is near 7.66 x 10
12
cells/l.
PLT — PLT cell population is between 2 and 27 fl. The PLT histogram follows a log-nor-
mal distribution.
EOS — An ideal EOS peak is shown, well-separated from other cell types to the left.
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