This article was published in June 2015 in the Ibis journal. It deals with the results of a study on the consequences of blood and cloacal swab sampling, which is frequently used within the framework of avian influenza monitoring, on survival rates of several species of ducks.
You can access the article on the publisher’s website as well as its abstract through opposite link.
Photo: Common Teal Anas crecca (© Tour du Valat)