Definitely not infected. He is a randy fellow and it may go back in today.
If condition last hours without relief the duck still needs a vet infection or not and only the vet may detect infection. Clean clean fresh swimming water available and separate from other ducks so can rest if over exerting from mating will encourage retraction of the phallus.


I think the boys think the member they relish they would like to keep not have die. It is a complex member as it has nerves and a blood supply that is intricate and should be respected as such. It is important to error on safe side as this condition can result in amputation, sterility, and death. It’s important to recognize medical emergencies and treat it as such. Maybe read the article in this thread I posted. The sooner the drake receives medical care from a vet the better the outcome. We all want the best outcome which is no tissue loss or infection and retraction quickly. It may also be important to an owner to maintain breeding ability. 