Feeding of powdered black seeds of historically famous medicinal herb, Nigella sativa L. has been shown to lower serum triglycerides and decrease egg cholesterol in laying hens. This study aimed to investigate effects of varying doses of N. sativa seed Это и многое другое вы найдете в книге Nigella sativa supplemented feed for poultry (Md. Nurealam Siddiqui and M. Tofazzal Islam)