A 5-week-old cygnet died of severe ulcerative enteritis caused by Sphaeridiotrema globulus (Rudolphi 1814). Environmental conditions under which the cygnet was raised and pathological findings are described.
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1 January 1972
SPHAERIDIOTREMA FLUKES, THE CAUSE OF ULCERATIVE ENTERITIS IN A CYGNET (Cygnus olor)
GUNTER SPECKMANN,
ALEXANDER ROBERTSON,
W. ALLAN WEBSTER