Abstract
Summary
Red cell volume (ml/kg), venous hematocrit, and hemoglobin concentration of beagles decreased from the first through the fifth week of age, then increased gradually till at 5 to 6 months the adult values were reached. The reversal of the downward trend coincided with the weaning period. The changes in red cell volume (ml/kg), hematocrit, and hemoglobin concentration were parallel from the first week to the first year of age. Throughout growth, red cell volume (ml/kg) was linear to venous hematocrit. The blood volume (ml/kg) of 1-week-old beagles was higher than that of any other age group, including adults.
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