N-carbamylglutamate (NCG) supplementation in low-protein diets improving egg quality by regulating protein metabolism pathway of oviduct in laying hens
The objective of this study was to evaluate the effects of low‐protein dietary supplementation with NCG on productivity, egg quality and possible regulatory mechanisms in laying Hens. A total of 150 Beijing Type 2 laying hens at 300 days of age were randomly assigned to five groups: a control group, a low-protein diet...