By-products are waste from the carcass that is not edible, but that can be processed in the manufacturing of other industry products.
|
Category |
Example |
Utilisation |
|
Meat by products |
Blood, lungs, heart, kidney, |
· Eaten as a delicacy by humans · Medications, due to the high content |
|
Ears and feet |
· Collagen and starch products |
|
|
Blood |
Blood and blood plasma |
· Blood sausages, blood meal, fertilizers, · Blood plasma is colourless and used in food · Medication and pharmaceuticals. |
|
Hides and skins |
Cattle hides and sheep skin |
· Leather tanneries (up to 30% of the · Gelatine in food, pharmaceutical and · Dried pet food |
|
Bones |
Carcass bones from deboned meat |
· Marrow is used as a food · Provides gelatine for soups · Bone meal · Pet food |
|
Glands and organs |
Gall bladder, testicles, pancreas, |
· Food due to special taste and · Medicinal and pharmaceutical use · Progesterone and oestrogen · catgut, to make internal surgical · Sausage casings |
|
Fat |
Tallow (hard fat rendered from the Lard (the fat rendered from the clean |
· Edible fats · Deep frying · Margarine · Used in sausage and emulsified |