Restrictive feeding influences systemic metabolism of nutrients; however. this impact has not been evaluated in chickens of diverging feed efficiency. This study investigated the effect of ad libitum versus restrictive feeding (85% of ad libitum) on the serum metabolome and white blood cell composition in chickens of diverging residual feed intake (RFI; metric for feed efficiency). Bl... https://www.kingarte.com/product-category/hybrid-lubricants/