Almost all of the edible by-products are more perishable than the carcass. Therefore these items must be chilled quickly after slaughter and be processed or moved quickly into the retail trade. Variety meats can be merchandised as fresh or frozen items, or used in making other processed items. Cattle hides and skins are classified on the basis of hide weight, sex ,maturity, the presence and location of brands and the kips and skins. These three classes are based on weight on weight of the clean hide.
Hides come from large and mature animals.
Kips are the skins of small animals such as calves. The presence of brands burned hide affects its value. For out of the meat industry come many important medications which can be derived from animal sources. Such as life saving insulin for diabetic, liver extract for perinaceous anemia, thyroid extract, other hormones and glandular products, enzymes aid digestion, bile salts and many others. Any curtailment of livestock production would seriously endanger the supply of these important medications.