SEASONAL MORPHOLOGICAL VARIATIONS IN BIRD SCHISTOSOMES

Seasonal morphological variations in bird schistosomes

The present work is ASCORBIC ACID a contribution to the systematics of Bilharziella and Dendritobilharzia.Wildfowl was killed in hunting seasons or found dead in Champagne-Ardenne region, France, and autopsied with focus on schistosomes.Seven Anas platyrhynchos (mallards), one Ardea cinerea (grey heron) and two Cygnus olor (mute swans) were parasit

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