Show use of cod liver oil when the hens bens do not have access to sunlight the inclusion of good cod liver oil in the ration materially increases egg production in one test at the missouri station a lot of an conas kept behind glass when fed cod liver oil produced an average of 69 89 eggs each during the six winter months while a similar lot kept una der the same conditions but fed no cod liver oil produced only 61 eggs each in brown leghorns Leg horns the cod liver oil fed group averaged 93 eggs each while the lot which received no cod liver oil averaged 02 eggs with white leghorns Leg horns the difference was not so great |