Harvest of Carcasses Flashcards
Procedures and areas in slaughter house
Dirty area
Clean area with quality assessment
Further processing of the carcass
Procedures in the slaughter house - dirty area
Arrival
Assesment live animal
Waiting period
Push forward
Stunning
Kiling/blood removal
Skin treatment
Evisceration
Stunning
Methods have impact on meat quality
Cattle: captive bolt
Pigs: electrical stunning and CO2
Poultry: electrical with diving bath (wet contact procedure)
animal welfare: CO2 (ventilators to remove air from feathers)
Skin treatment
pig: steaming, mechanical bristle removal, flame treatment
poultry: steaming, removal of feathers
procedures in slaughter house - clean area
Meat control (internal organs, carcass, maybe microbiological assessment, decision by meat controller about edibility and labelling with meat control stamp)
Halving (cattle, pigs)
Weighing (details in carcass weight bylaw, sometimes determination of live animal weight & dressing percentage)
Classification
pH, conductivity measurement
Fat number
Results of meat control
1) No restricition in selling meat for consumption
2) Meat may not be sold
3) A microbial assessment of the meat has to take place
Why is the spinal cord sucked from cattle after halving the carcasses?
BSE prevention in slaughter house
Procedures in the slaughter house - further processing of carcass
Electrical stimulation
- Optional for cattle and lamb -> meat quality
Chilling
- cattle, pigs to 4° -> meat quality, microbiological status
- poultry: to 4° or freezing, chilling by diving or dry chilling
Dessection of carcass
- optional (dairy cows, pigs and poultry sometimes in warm state)
- Proportion of valuable cuts -> carcass quality
Transport to customers
- Truck with chiller -> microbiological status