Megaloblastic erythropoiesis and tissue depletion of folic acid in the cat
Thenen, S.W.; Rasmussen, K.M.
American Journal of Veterinary Research 39(7): 1205-1207
1978
ISSN/ISBN: 0002-9645 PMID: 677540 Document Number: 4334
Dietary requirement for folic acid was shown in the cat. Folic acid deficiency was produced by feeding young cats a deficient diet (0.125 mg of total folate/kg of dry weight by analysis) for 22 weeks. The folic acid-deficient cats grew normally, but had reduced plasma, red blood cell, and liver folate concentrations in comparison with those concentrations in cats fed a control diet (1.36 mg of total folate/kg).. Urinary excretion of formiminoglutamic acid was increased in all deficient diet cats 24 hours after L-histidine injection. Erythroblasts in bone marrow smears from folic acid-deficient cats were megaloblastic; they showed abnormal nuclear chromatin patterns and had nuclear-cytoplasmic asynchronism.
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