OCR Text |
Show glffltf COD LIVER OIL HELPS HENS LAY Much Needed in Winter as Substitute for Sunshine. Cod liver oil Is an Important Item In winter rations for poultry because It helps to maintain egg production, prevents lameness, and helps them to lay strong-shelled eggs. It contain vilaniines A and D which promote growth and maintain vitality and disease dis-ease resistance, says the State College of Agriculture at Ithaca, N. Y. Cod liver oil Is essential to hens that ate closely housed during winter. win-ter. Vitamine D In the oil is a substitute sub-stitute for direct sunlight, according to poultrymen at the college, who say Its use, therefore, Is most desirable during winter anfl early spring when direct sunshine cannot be used or when little is available. This oil, which Is the richest known source of these vitamines, is usually fed for Its vitandne D; although vita-mine vita-mine A is present in the oil, it Is not so important as vitamine D because yellow corn and leafy green feeds contain enough of vitamine A to meet the ordinary requirements of poultry. Poultrymen may use the cheaper grades of cod liver oil because they are less expensive and contain the essential es-sential vitamines in the same quantity as In the other grades. In feeding cod liver oil during winter and early spring, add 1 per cent of oil to the dry mash portion of the poultry ration. Roughly, this is slightly more than one pint of cod liver oil to 100 pounds of mash. This quantity of oil in the mash will provide approximately one-half one-half of 1 per cent of oil iu the whole ration of grain and mash. |