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Egg Shell Defects : Sandpaper or rough shells

  • 35_sandpaperroughshellsDescription

    The terms ‘sandpaper shells’ and ‘rough shells’ refer to eggs with rough-textured areas, often unevenly distributed over the shell.


    The incidence is normally less than 1% of total production, but may be higher for some strains of bird. It is also higher in early lay, often as a result of double ovulation, which produces one shell-less egg and another one with extra shell deposits.

    sand defects


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