Dwarf Eggs and the Timing of Ovulation in the Domestic Fowl

@article{Rookledge1966DwarfEA,
  title={Dwarf Eggs and the Timing of Ovulation in the Domestic Fowl},
  author={K. A. Rookledge and P. J. Heald},
  journal={Nature},
  year={1966},
  volume={210},
  pages={1371-1371}
}
THE production of eggs considerably smaller than the normal has been reported in various birds1 and has been well documented for the domestic fowl2. Such eggs have been described as “witch eggs”, “cock eggs”, “dwarf eggs” and “wind eggs”—the latter term also being applied to infertile eggs3. It was known as early as the seventeenth century3 that the yolks of such eggs were frequently absent, but that there was a central nucleus around which albumin was secreted. In an investigation of 236 dwarf… 
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