Abstract

Blood samples were obtained from two adult camels and one fetal camel of approximately 7 months gestational age. As in other mammalian species, fetal blood has a higher oxygen affinity than adult blood and there was a higher hemoglobin concentration in fetal blood than in the mother's blood. Fetal erythrocytes are larger than adult erythrocytes. Methemoglobin concentration is somewhat higher in fetal blood than in adult blood but seems to be in the normal range. Camel erythrocytes have a greater resistance to hemolysis by hypotonic saline than human erythrocytes. Analysis of the characteristics of camel hemoglobin showed no difference between the pigment of adults and that of a 7 months fetus with regard to hemoglobin electrophoresis, alkali denaturation or the rate of oxidation by potassium ferricyanide. On the other hand, red cells from the fetal camel had a higher activity in reducing methemoglobin and a lower activity of carbonic anhydrase than that found in the blood of the adult animal.

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