bobford79 at yahoo.com
Sat Nov 22 10:39:27 EST 2008
Thanks. I guess I should be embaressed to say that I knew very little of those facts. I'll probably forget, again. But, right now, it is good to know something about what I eat , practically every am .........bobford
--- On Sat, 11/22/08, Gene GeRue <genegerue at ruralize.com> wrote:
> From: Gene GeRue <genegerue at ruralize.com>
> Subject: Re: [Homestead] Eggs
> To: homestead at lists.ibiblio.org
> Date: Saturday, November 22, 2008, 8:32 AM
> How is an egg made?
> Firstly the hen releases a yolk from her ovary. The
> infundibulum (also
> known as the funnel), holds the yolk for about 15 minutes
> (this is
> where fertilisation would take place if there was a
> rooster), before
> it passes to the magnum, where after three hours the white
> is formed.
> As the white (albumen) is deposited around the yolk it
> twisting the albuminous fibres to form the chalazae.
> The next site of activity is the isthmus where the two
> shell membranes
> are formed in about 1¼ hours. The egg has now reached it
> full size and
> shape. It passes along to the uterus to acquire, after 19
> hours, its
> shell, shell colour and bloom, or protective coating. After
> a few
> minutes' pause in the vagina, the uterus inverts the
> cloaca (the
> junction of the digestive, urinary and reproductive
> systems) and the
> vent and the egg is laid.
> * A hen requires between 24 and 26 hours to produce an
> * Thirty minutes after laying an egg she starts all over
> * Most female animals have two functioning ovaries, but
> hens only
> use one, their left. The right ovary stays dormant.
> * A female hen is born with thousands of tiny ova which
> will one
> day become egg yolks.
> * A double-yolker egg is the result of two yolks being
> released at
> the same time.
> * During formation, the egg moves through the oviduct
> small end
> * Just before laying, it is rotated and laid large end
> * Laying an egg is known as oviposition.
> * The size of the eggs increase as a hen gets older.
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