Abstract
Summary
Malarial infection (P. lophurae) of the young Peking duck usually progresses with rapid multiplication of the parasites in the blood and death after 5-16 days 10 (7-10 days in our series). If sulfonamides are administered by incorporation in the food, the multiplication of parasites is checked after a few days and the birds survive at least several weeks with relatively few or, occasionally, no parasites in the blood (sulfathiazole or sulfadiazine). Sulfanilamide appears to be less effective.
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