The effect of adding different proportions of black wolfberry residues to the diet on the production performance, egg quality and fecal microorganisms of laying hens
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The present study investigated the impacts of adding varying proportions of black wolfberry residues to the diet on the production performance, egg quality, and intestinal health of Hy-Line Brown laying hens. A total of 600 healthy 20‑week‑old hens were rand... ...
