Show using cod liver oil cod liver oil off Is an important item in a winter rations for poultry because jt it helps to maintain egg production prevents lameness and helps them thein to lay iny strong shelled I 1 eggs it coni contains alne A and D which growth and nial iknon vitality and Us dis ease case resist resistance ince cou 6 liver oll oil Is essential pent ial to hens that are closely housed during curing winter r vitamin D in the oil la is a substitute for direct stin light therefore its use is most mos denbei during rang winter |