Scalding is a process of burning using hot liquid such as boiling water. This may either be a deliberate treatment of material such as foodstuffs or accidental, resulting in injury

Burn

A burn is an injury to flesh caused by heat, electricity, chemicals, light, radiation, or friction.Burn may also refer to:*Combustion*Burn , type of watercourses so named in Scotland and north-eastern England...

.

The carcasses of poultry

Poultry

Poultry are domesticated birds kept by humans for the purpose of producing eggs, meat, and/or feathers. These most typically are members of the superorder Galloanserae , especially the order Galliformes and the family Anatidae , commonly known as "waterfowl"...

 and pig

Pig slaughter

Pig slaughter is the work of slaughtering domestic pigs which is both a common economic activity as well as a traditional feast in some European countries.-Agriculture:...

s are commonly scalded after slaughter to facilitate the removal of feathers and hair. Methods including immersion in tanks of hot water or spraying with steam. The scalding may either be hard or soft in which the temperature or duration is varied. A hard scald of 58°C for 2.5 minutes will remove the epidermis

Epidermis (zoology)

The Epidermis is an epithelium that covers the body of an eumetazoan . Eumetazoa have a cavity lined with a similar epithelium, the gastrodermis, which forms a boundary with the epidermis at the mouth.Sponges have no epithelium, and therefore no epidermis or gastrodermis...

of poultry and this is commonly used for carcasses that will be frozen so that their appearance is white and attractive.