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Re: deciding factor on clutch size?

Posted by Jeff on 10/17/05
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    On 10/16/05, jill wrote:
    > does anyone know what the deciding factor is on how many
    > eggs are laid in a clutch? thanks in advance, jill

    Jill,

    I'm not so sure there is a "deciding factor" of how many
    eggs a budgie will lay in any given clutch.

    However, and this is just based on my 2-year experience with
    breeding budgies, I think one prominent factor would
    be, "diet." First, the hen (i.e., female) needs plenty of
    calcium in her diet, for as she lays eggs this depletes her
    body of calcium. If that calcium is not replenished, then
    she will not be able to produce eggs.

    It is important, therefore, to be sure that you have a
    cuttle bone in the cage, especially during breeding season,
    but it is important to keep one in the cage at all times.
    During breeding season, you will see the cuttlebone diminish
    more rapidly than during the off season; this is because the
    hen continually replenishes herself with calcium, through
    the cuttlebone.

    As the eggs begin to hatch, and I've experienced this with
    my budgies, the hen will sometimes actually eat the egg
    shells after her chick has hatched. She is simply
    replenishing herself with calcium, in addition to helping
    with the hatching process.

    Generally, however, budgies lay anywhere between 4-7 eggs
    per clutch. My smallest clutch was 4, and my largest clutch
    was 9, which is a VERY large clutch for a budgie. However,
    only 7 of the 9 hatched. Not sure why the 3 didn't hatch. I
    suppose there could be various reasons for this.

    I hope this helps you....