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Hereditary nonspherocytic hemolytic anemia in Beagles.
1988
Maggio Price L. | Emerson C.L. | Hinds T.R. | Vincenzi F.F. | Hammond W.R.
Three Beagles with chronic anemia and reticulocytosis were studied. The dogs originated from a large breeding colony and appeared clinically normal with the exception of splenomegaly. The PCV ranged from 30 to 39% (normal, 46 to 56%), with reticulocyte indices of 2.3 to 9.9. Red blood cells were morphologically normal, and examination of marrow aspirates revealed erythroid hyperplasia. Shortened chromium-51 RBC life-spans (7.2 to 15.4 days in anemic dogs; 22.2 to 25.2 days in control dogs) documented a hemolytic anemia. Acquired causes of hemolytic anemia were ruled out. Red blood cells had normal glycolytic enzyme activities, no evidence of unstable or abnormal hemoglobin, and had altered osmotic fragility curves. The breeding of 2 anemic dogs resulted in off-spring with anemia and reticulocytosis. Polyacrylamide gel electrophoresis revealed no abnormalities in RBC membrane cytoskeletal proteins in all anemic adult dogs and in 3 offspring.
Show more [+] Less [-]Application of methylene blue color test for the detection of inherited susceptibility to hemolysis of Korean native cattle
1988
Cho, J.H. (Chonbuk National Univ., Chonju (Korea R.). Dept. of Veterinary Medicine)
Blood samples were obtained from Korean native cattle and dairy cattle of Holstein species in the slaughter house and methylene blue color tests were performed for the detection of the inherited susceptibity to hemolysis. Glucose-6-phosphate dehydrogenase activities expressed as the optical density obtained by methylene blue color test were the highest as 0.54 in male Korean cattle, 0.62 in female Korean cattle and 0.72 in dairy cattle of Holstein species. Percent hemolysis, packed cell volume and plasma protein contents were measured and compared with relation to the results of methylene blue color test and no correlation was observed in each
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