A method of antibacterial treatment of a carcass (26) in a carcass handling installation. The method comprises: conveying the carcass (26) through a chamber (2), and dispensing a liquid cryogen within the chamber (2) so as to form a cryogenic liquid mist comprising cryogenic liquid droplets that impinges on the carcass (26) while the carcass (26) is in the chamber (2). The cryogenic liquid mist is dispensed so as to subject the carcass (26) to temperatures below substantially 0°C for a duration between about 5 seconds and about 60 seconds.
