Abstract
A comparative study was carried out to investigate various aspects of erythrocyte metabolism in three species of marsupials located in the western part of Australia. The burrowing bettong (Bettongia lesueur) and the Barrow Island euro (Macropus robustus isabellinus) were captured on Barrow Island whereas the mainland euro (Macropus robustus erubescens) was captured from the Pilbara region of northwest Western Australia. Aspects of erythrocyte metabolism studied included: levels of glycolytic intermediates, enzyme activities, sensitivity of erythrocytes to oxidants and methaemoglobin reducing capacity. Some important findings were: (1) no relationship was observed between haemoglobin and diphosphoglycerate levels; (2) both species from Barrow Island had lower levels of catalase than the mainland species; and (3) methaemoglobin reductive capacity was greater in the erythrocytes of the burrowing bettong compared to the two species of euro.
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