Animals are 4 to 15 months of age.
Young animals are easier to restrain.
Liquid nitrogen is used as a coolant. Freeze brand area is clipped prior to branding if there is much hair growth. Insulated container for the coolant - picnic coolers can be used with dry ice and alcohol but a modified AI semen tank works best for liquid nitrogen. Three inch irons work well on cattle 4 to 15 months of age. Alcohol - ethyl, methyl or isopropyl, to saturate hide before branding.