mortality/aging
• most animals die within one week of birth
(J:85113)
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hematopoietic system
• severe in juveniles; erythroid progenitor cells are present in normal numbers, suggesting anemia is due to loss of mature RBCs
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• noted in animals surviving to adulthood
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• decreased red blood cell numbers
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• decreased hemoglobin
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• nucleated erythroid cells are found in circulation
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