Alexander, S.J.; McLaughlin, J.D.; Verwoerd, Daniel Wynand(Pretoria : Agricultural Research Council, Onderstepoort Veterinary Institute, 1997)
A literature survey revealed that 72 helminth species, including 14 known only to the generic level, had
been reported from the digestive or respiratory tracts of 28 species of Anatidae in Africa. Most of the
digeneans ...
Alexander, S.J.; McLaughlin, J.D.; Verwoerd, Daniel Wynand(Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1997)
Examination of the helminth communities in 25 yellow-billed ducks (Anas undulata), 21 red-billed
ducks (Anas erythrorhyncha), ten Cape teal (Anas capensis) and seven Cape shovellers (Anas
smithii) that had overwintered ...
