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duck
(redirected from eider)

   Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia, Hutchinson 0.03 sec.
duck
a member of the family Anatidae which includes many genera of ducks, geese and swans. See anas platyrhynchos, aylesbury, rouen, indian runner, khaki campbell, pekin, muscovy.

duck bush, duck plant
Gomphocarpus physocarpus. See also asclepias.
duck hepatitis
a highly infectious and fatal disease of young ducklings caused by an enterovirus, and characterized by hepatitis of sufficient severity to kill the birds within a few hours of signs of illness first being observed.
duck louse
Anaticola crassicornis (slender duck louse), Trinoton querquedulae (large duck louse).
new duck disease
see Riemerellaanatipestifer.
duck plague
see duck plague.
duck septicemia
see Riemerellaanatipestifer.
duck sickness
type C botulism.
duck virus enteritis
see duck plague.

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