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The ‘Study of gut microbiota of laying hens from different production systems’ or simply, the ‘gut health’ project has recently been completed. To our knowledge, this is the most detailed and thorough study of the gut microbiota ever undertaken in any animal species.
This research recognised the importance of gut microbiota in the productivity of layer flocks and provided comprehensive information on the typical baseline composition of gut microbiota in healthy layer hens in cage, barn, and free range production systems.