Clinico-pathological examinations were conducted on wild white-winged scoters (Melanitta fusca) contaminated with fuel oil (Bunker C oil) from a capsized cargo ship in February 1993 in Japan. The erythrocyte count, hemoglobin concentration and hematocrit value in the oiled seaducks all were decreased and numerous immature erythrocytes were observed in blood smears. In addition, hemosiderosis was observed in the liver, kidney, and lung of some birds. We propose that the seaducks suffered from hemolytic anemia induced by ingestion of oil, which occurs when the birds preen their oiled plumage.
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1 April 1996
Hemolytic Anemia in Wild Seaducks Caused by Marine Oil Pollution
Osamu Yamato,
Ikuo Goto,
Yoshimitsu Maede
Journal of Wildlife Diseases
Vol. 32 • No. 2
April 1996
Vol. 32 • No. 2
April 1996
hemolytic anemia
hemosiderosis
Japan
M. nigra
marine oil pollution
Melanitta fusca
seaduck