LPT 312: Abattoir Practices and Animal Products Technology (1+1)

METHODS OF PRESERVATION

Wet salting

• 100 lbs. Green hide will loose approximately 35 lbs of water and takes up 6 lbs of salt. Thus the final (weight) field will be 71 lbs. of wet salted hide.

Dry salting

• This process consists of only a few days salting, followed by air-drying. 100 lbs. of green hide will yield about 55 lbs. of finished goods. These are only approximate calculations. Many factors are responsible for the variations. The shrink is very important to calculate the yield. The air-drying is the high test as seen above.
• The two main methods of preservation are air-drying and salting.
• So, to get good qualities of hide and skin, the preservation should be done immediately.
• The methods followed for air-drying and salting are many and varied.
• Air drying
  • Ground drying
  • Suspension drying
  • Drying in sheds.
  • While drying the hides and skins are protected from insect damage with the help of benzene hexa chloride and arsenicals.
• Salting
• Wet salting
• Dry salting.