Table 1: Proportion of histopathological changes and the mean parasite burden in the bone marrow of dogs with visceral leishmaniasis.

GroupAplasiaGranulomaMegakary ocytes*HemosiderosisPlasmacytic infiltrateNumber dogs parasitizedMean parasite load

A ( )43324432.3
O ( )35735911.4
S ( )34432621.4

Group A: asymptomatic; O: oligosymptomatic; S: symptomatic; *megakaryocytes with either dysplasia or emperipolesis.