Background:The Atlantic Forest where the animals were captured is surrounded by residences, so this close contact could favor the presence of disease-transmitting pathogens, putting the local population at risk. For these and other factors, it is important to perform laboratory tests enabling the performance of important diagnoses.Methods: Blood samples of 268 golden-headed lion tamarins (Leontopithecus chrysomelas) inhabiting an Atlantic Forest area in Rio de Janeiro, Brazil, were processed for accessing age and sex influence in hematological parameters and to establish normative hematology values.Results: Mean values of red blood cells, hematocrit, hemoglobin, and platelet count were significantly higher in adult males than in adult females. Adult animals had significantly higher mean neutrophil count, and young animals had higher averages than adults in lymphocyte values. Anisocytosis and platelet indices parameters were also provided for the first time.
Conclusions:Averages presented can be used as hematological parameters for golden-headed lion tamarins.
K E Y W O R D SCalitrichidae, complete blood count, erythrogram, hematology, leukogram, non-human primate | 107 dos sANTos eT Al.
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