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Adding calcium/ crushed shells to their diet will help, you can also buy a water soluble tonic to add to their water that will give them the optimum amounts of vitamins and mineral they need to produce hard egg shells. Young hens will produce the hardest egg shells and older hens at the end of their laying years will often start to lay soft/ rubbery eggs.
Wiki User
∙ 13y ago
Wiki User
∙ 13y agoTo hard boil an egg, add it to boiling water for five minutes. Three and a half minutes for soft boiled.
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What does condy's crystals do for chickens?
It helps harden the egg shell
Can you use vinegar to soften a blown egg shell then cut and shape it and let it harden again?
no
Harden gas station on harden st shell?
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What is an egg shell?
the shell of an egg
What is an egg that is surrouded by a shell?
This is an egg that can be in a shell and out of a shell.
Is an egg shell?
the shell of an egg
Is the shell of hens egg as brittle as the shell of duck or goose egg?
is the shell of a hen egg as brittle as the shell of a duck or a goose egg
How is yolk formed inside an egg?
The yolk - is formed within the bird's reproductive system. As it travels through the bird's body, the shell is created from stored calcium and other minerals, which harden as soon as the egg is laid.
What do you call the shell of an egg in English?
egg shell
What is a leathery-shell?
A leathery shell is a shell that is flexible rather than solid like the shell of a bird egg. A snake's egg has a shell that is flexible, as does a turtle's egg.
How does a hen lay eggs with the egg shell together?
by lap dancing renzmtrovela: because the egg white and egg yolk is made before the egg shell it puts the egg shell around it
What else can harden the shell besides the sun?
Lack of humidity
