I had a Spitz that killed a chicken and I tied the carcass close to her neck so she had to drag the dead chicken around with her. Left it on her for the day and once removed the dog never messed with any more chickens. I also had a young Great Pyr that killed a chicken and did same thing with...
I have had two different dogs that killed a chicken and I tied the dead chicken to their neck and let them wear the dead chickens for a day. The dead chickens were pretty rank at the end and once I removed the chickens the dogs never bother a chicken again. Worked great.
