Show EGG TESTER IS HANDY examination should be made twice during incubation useful device can easily de be made from double thickness of heavy paper fertile eggs will have dark spot damson clemson college bulletin all eggs that are incubating should bo K examined twice during tho the hatching batching period an egg tester can bo be made from a malling mailing tube prepare a double thickness of heavy brown paper four inches square place one end of tho the tube tit nt tha center end and double the edges of the paper over it to form a paper cap fasten tile tho cup with three wrappings of cord cut a hole hate ono one inch in diameter in 1 the top of the cap the freo free end of the tubo tube Is placed tit nt the eye find the egg to bo be examined Is pressed lengthwise against the hole in the cop cap point tile the tester find and egg to 0 o the sun sim or a bright light una and you enn can plainly see ece the contents of the ess egg tho the eggs are first tested at the end at f tile first week tho the fertile eggs with live embryos in them have a dark spot tile tho embryo or young chick in tile tho upper part of the egg with numerous veins radiating from it these eggs are to bo be returned to the lieu lien or incubator clear eggs agga infertile eggs with a n ring of blood tin an that grow grew a few hours and med lied and clouded eggs are to bo be destroyed st however tho the clear infertile eggs can ho be kept and boiled hard for food the eggs are again tested nt at tho the end tile the second week at this stage of at iva embryo darkens all tho the egg except tho the air cell in the largo nd arid U eggs ggs appearing otherwise are arc rejected two or three liens heng should be set ul at tile tho same time by testing tho the eggs at tile end of week it is 13 usually possible to remove eggs to release ono one lien hen another sit alti ling of at eggs can bo be placed under her at once and you tire relieved of tho the work of curing for her glicr two weeks tor for no result testing gets rid of eggs which will lecorno bacomo rotten roen and creato create a tench cli and result in a anoro success ul hatch batch |