Burgess, E C The influence of seven environmental and physiological factors on duck plague virus shedding by carrier mallards. [electronic resource] - Journal of wildlife diseases Apr 1983 - 77-81 p. digital Publication Type: Journal Article ISSN: 0090-3558 Standard No.: 10.7589/0090-3558-19.2.77 doi Subjects--Topical Terms: AnimalsBird Diseases--microbiologyCarrier State--microbiologyDietDucksFemaleFluorescent Antibody TechniqueHerpesviridae--isolation & purificationHerpesviridae Infections--microbiologyMaleNeutralization TestsReproductionSeasonsSocial Environment