Show sunlight t Is important as source of Vita kitamine tamine Vi mineD D sunlight Is without an equal to furnish the necessary vi tamine D to laying hens says prof VV J E dougherty of tho the poultry husbandry division of the university of california while it Is ismore imore valuable than any other agency says dougherty the vp kopor p ar lamp jamp will give 1 good I 1 results re i lilii and an d wh ail ere ei 0 Is I 1 I 1 not available it may be used Jilt r illier lier or the lamp excel cod liver oil intili in this respect t alt although hoegh where sunlight Is lacking and the quartz mercury mer cury vapor lamp Is not no t aval available lable the cod iyer hyer oil will be far better than nothing bothin sunlight Is che cheap where it Is at all available a val lable says professor dougherty do ug herty I and where it ls Is possible poultry should be ex exposed to the direct rays of the sun as much as possible |