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Raw chicken

Raw Poultry and Game

MAP: A proven way to effectively extend the shelf life of your raw poultry and game products

Food items: Capon, Chicken, Duck, Goose, Grouse, Guinea Hen, Partridge, Pheasant, Pigeon, Poussin/Cornish Hen, Quail, Turkey, other items

Recommended gas mixtures 
Dependent upon customer preferences, in some cases high levels of oxygen are used.
• 30% CO₂, 70% N₂
• 20% O₂, 30% CO₂, 50% N₂
• 60% CO₂, 40% N₂
• 70-80% O₂, 20-30% CO₂
• Bulk: 100% CO₂

The gases and mixtures listed above are for general guidance. To identify the optimum gas for your product and process, we recommend you undertake a product trial with the help of an Air Products MAP gas specialist.

Storage temperature
• Legal maximum*: 8° C
• Recommended: -1° C to + 2° C

Achievable shelf-life
• In air: 4-7 days
• In MAP: 10-21 days

Principle spoilage organisms and mechanics
Pseudomonas species (in air), Brochothrix species, Lactic acid bacteria, Enterobacteriaceae, yeasts and moulds.

Food poisoning hazards include
Clostridium species, Salmonella species, Staphylococcus aureusListeria monocytogenesCampylobacter species, E.coli and E.coli 0157.

Typical MAP machines
• TFFS – Thermoform-fill-seal
• PTLF – Preformed tray and lidding film 

• VC – Vacuum chamber
• ST – Snorkel-type 

Typical types of package 
Retail: Tray and lidding film
Bulk and primal: Bag-in-box, Master pack 

Examples of typical MAP materials


Lidding film:


For chilled raw poultry and game the principal spoilage mechanism is microbial growth, particularly growth of Pseudomonas species and Achromobacter species. These aerobic spoilage bacteria are very effectively inhibited by inclusion of CO₂ in MAP. 

Levels of CO₂ in excess of 20% are required to significantly extend the shelf-life of raw poultry and game birds. For retail MA packs of raw poultry and game, the proportion of CO₂ in the gas mixture should not be higher than 35% since pack collapse and excessive drip may be induced. Pack collapse is not a problem for bulk MA master packs and hence 100% CO₂ is recommended.

In retail MA packs, a mixture of 30% CO₂, 70% N₂ is often recommended. The achievable shelf-life of MA packed raw poultry and game will depend on the species, fat content, initial microbial load, gas mixture, and temperature of storage. Possible food poisoning risks can be minimised by maintenance of recommended chilled temperatures, good hygiene and handling practices throughout and adequate cooking prior to consumption.

*The Food Safety (Temperature Control) regulations 1995 states that the maximum Storage temperature for chilled perishable foods is 8°C. There will be flexibility to vary this when scientifically justified. For legal temperature storage requirements, please contact the Campden BRI.
Please use the area below to submit your enquiry. It will then be passed on to our MAP Experts for a response.
ex. 123-456-7890