OCR Text |
Show Ultra Violet Rays Windows should be hinged so that tbe sun can shine directly onto the hens, because the sunlight coming through glass loses the ultra violet rays. These rays have the property to make the minerals in the ration available. avail-able. A hen apparently has the ability abil-ity to store this factor in her body, but if she lays well and is kept out of direct sunlight for a long time, then she exhausts the supply. She may continue con-tinue to lay but will make only thin shelled eggs. |