. How we make ducks pay ... an illustrated guide to the profitable breeding of our modern Pekin all-white mammoth ducklings; plain and thorough lessons for beginners and others everywhere who write for the details and secrets of our waterless THE EGG development covers nearly the entire interior of the egg. Ifyou do not see this development, you will know that theegg is infertile. If you find an egg which is cloudy or addled, andwithout the spider-like network of veins, it is not that are addled can be mashed up, shells and all, andfed to your growing ducks with their grain
. How we make ducks pay ... an illustrated guide to the profitable breeding of our modern Pekin all-white mammoth ducklings; plain and thorough lessons for beginners and others everywhere who write for the details and secrets of our waterless THE EGG development covers nearly the entire interior of the egg. Ifyou do not see this development, you will know that theegg is infertile. If you find an egg which is cloudy or addled, andwithout the spider-like network of veins, it is not that are addled can be mashed up, shells and all, andfed to your growing ducks with their grain EGG-TESTIXG LAMP SEVENTH DAY If the egg is fertile and has been germ-inating in the incubator for seven days,you will see something like above picture. The white space at the end is the air-space. The white line all around the eggis the membrane just inside the shell. Any eggs which you find black or bad-smelling shouldbe thrown away. The clear eggs in which you find no germ and whichare not addled you can use in cooking, or you can sell them. This testing should be done in the incubator housealongside of the machine. In very cold weather we usea cloth and cover the eggs while we have them out of themachine so that the heat can be kept in them as much aspossible. Test a whole trayful before putting them backinto the incubator. Work quickly in cold weather. There is no more testing of the eggs, but you must turnthem in the incubator night and morning, twice a day,right along until hatching. If an egg shows black whileyou are doing this at anytime, such an egg should be thrown 53 HOW WE
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