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Controlled Atmosphere Stunning (CAS)

A more humane practice for chicken, fish and pigs

Are you a poultry or a pig/swine processor considering a move away from electrical water bath or mechanical stunning? Or a fishery looking for an alternative to the ice slurry?

Controlled Atmosphere Stunning (CAS) is an increasingly used process to humanely stun and then possibly slaughter animals destined for human consumption. Replacing traditional stunning methods with gas stunning results in improved animal welfare, as well as meat quality. Whether you need argon, nitrogen, oxygen, CO₂ or a mix of those gases, our experts look forward to assisting you.

Why Stun and Sometimes Slaughter with Gases?

  • Improved animal welfare and reduced stress
  • Improved meat quality
    • Poultry: less broken bones, bruising and bleeding
    • Hogs: reduction of the incidence of Pale Soft Exudative (PSE) Meats

Are you curious about CAS?

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Gases

Air Products gases, typically provided in gaseous and liquid form, enable customers in a wide range of industries to improve their environmental performance, product quality, and productivity.

Argon

Compressed argon gas and liquid argon in a variety of purities and in various modes of supply around the world thanks to our network of storage and transfill facilities.

Carbon Dioxide

Our experienced applications teams across the globe can use their industry and application knowledge to provide you with a compressed or liquid carbon dioxide supply and technology solution to meet your unique needs.

Nitrogen

Useful as a gas, for its inert properties, and as a liquid for cooling and freezing. Virtually any industry can benefit from its unique properties to improve yields, optimize performance and make operations safer.

Bulk Supply

Delivered by truck and stored on your site either as a liquid in cryogenic tanks or as a gas in high-pressure tubes based on your volume, desired pressure, purity level, flow rate, and operating pattern.

Cylinders

The traditional solution for low volume gas supply. Cylinders can be supplied in a full range of sizes from 10 to 50 liters, pressures and gas purities for a wide range of gases and gas mixtures. For larger volumes, manifolded cylinder packs are available.

CryoEase® Microbulk Solutions

A convenient and cost-effective solution for larger operations. CryoEase® tanks are available in a range of sizes. The CryoEase® service simplifies your gas supply by eliminating the need to handle cylinders, stock taking and ordering.

On-site Gas Generation

On-site gas generation helps sustainability-minded customers lower their carbon footprint, boost energy efficiency, increase throughput, enhance end product quality, and improve environmental performance.