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MAPI Layer.2-001.jpg Michigan Allied Poultry Industries

Gypsum may lower ammonia emissions from layer housing

Dietary crude protein profile also influences layer hen ammonia emission levels.

Ammonia emitted from poultry excreta in conventional confinement housing systems can result in concerns related to occupational hygiene for workers, the welfare of laying hens and the environment, researchers Matt Oryschak and Eduardo Beltranena with Alberta Agriculture & Forestry and the University of Alberta in Canada said in recorded presentations (abstracts 198 and 199) to the virtual Poultry Science Assn. annual meeting this week.

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TAGS: Poultry
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