. Duck dollars;. Ducks. DUCK DOLLARS 45 a hen leaves her nest, as she does to go off for food, eggs which were being covered in the nest are cooled off. On the- evening of the seventh day after the eggs have been put in, they should be tested. That is to say, if you put the eggs in on Satur- day, they should be tested the following Friday. Duck Testing the Eggs eggs have a white shell, which is transparent, and it is very easy to test them. We have a box big enough to hold a lamp. (These egg-testing lamps are made and sold in various forms.) Our box has a hole cut in the front of it a little s
. Duck dollars;. Ducks. DUCK DOLLARS 45 a hen leaves her nest, as she does to go off for food, eggs which were being covered in the nest are cooled off. On the- evening of the seventh day after the eggs have been put in, they should be tested. That is to say, if you put the eggs in on Satur- day, they should be tested the following Friday. Duck Testing the Eggs eggs have a white shell, which is transparent, and it is very easy to test them. We have a box big enough to hold a lamp. (These egg-testing lamps are made and sold in various forms.) Our box has a hole cut in the front of it a little smaller than the eggs. Felting is glued around the hole so that in handling the eggs rapidly they will not be knocked and broken against the wood. The operator should take four or five eggs in his hand. He can test them very rapidly, as fast as he can pass them in front of the opening. The light is confined by the hole in the box, and when the egg is put over the felting the hole is stopped and ^ ^^ all the light from the lamp must shine directly through the egg. If the egg is a fertile one, and has been germinating while it has been in the machine, you will see inside of the egg something like a spider. Veins will cover almost the entire egg. You can see the speck forming the eye of the duckling, and, in- fact, the little duckling itself. The development covers nearly the entire interior Infertile Eggs of the egg. If you do not see this development, you will know that the egg is infertile. If you find an egg which is cloudy or addled, and without the spider- like network of veins, it is not good. Eggs that are addled can be mashed up, shells and all, and fed to your growing ducks with their grain mixture. Any eggs which you find black or bad-smelling should be thrown away. The clear eggs in which you find no germ and which are not addled you can use in cooking, or you can sell Egg-Testing Lamp Fertile Egg, Seventh Day If the egg is fertile and has been germina- ting in t
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