Medullary bone and humeral breaking strength in laying hens.

  title={Medullary bone and humeral breaking strength in laying hens.},
  author={Robert Hall Fleming and Heather Anne McCormack and Lynn McTeir and Colin C. Whitehead},
  journal={Research in veterinary science},
  volume={64 1},
To test the hypothesis that large amounts of medullary bone in the humeral diaphysis may increase breaking strength, various parameters of bone quality and quantity were examined in two large flocks of hens near end of lay. We conclude that the amount of medullary bone in the humerus of hens during the laying period influences bone strength. This medullary bone may not have any intrinsic strength, but may act by contributing to the fracture resistance of the surrounding cortical bone. Using a… CONTINUE READING

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