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Related Experiment Videos

Abnormal modelling of trabecular bone in calves

B P O'Connor1, C E Doige

  • 1Department of Veterinary Pathology, Western College of Veterinary Medicine, University of Saskatchewan, Saskatoon.

Canadian Journal of Veterinary Research = Revue Canadienne De Recherche Veterinaire
|January 1, 1993
PubMed
Summary

Abnormal bone modeling in bovine femurs was found in over 45% of prenatal and neonatal calves examined. These lesions, including growth lines and retained bone tissue, suggest developmental issues in young cattle.

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Area of Science:

  • Veterinary Pathology
  • Bone Biology
  • Developmental Biology

Background:

  • Trabecular bone modeling is crucial for skeletal development in bovines.
  • Abnormalities in bone modeling can lead to significant health issues in livestock.
  • Understanding developmental bone lesions is key for animal health management.

Purpose of the Study:

  • To identify and characterize lesions of abnormal trabecular bone modeling in bovine femurs.
  • To describe the normal radiographic and histological features of the developing bovine femur.
  • To discuss potential causes and pathogenesis of observed bone lesions.

Main Methods:

  • Postmortem examination of 55 prenatal and neonatal bovine femurs.
  • Histological analysis to identify bone abnormalities.

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  • Radiographic assessment of normal femur development.

    • Main Results:

    • Lesions were identified in 26 out of 55 (47.3%) examined bovine femurs.
    • Common abnormalities included growth retardation lines, retained primary spongiosa, and persistent secondary spongiosa.
    • Normal radiographic and histological features of late-gestation bovine femurs were documented.

    Conclusions:

    • Abnormal bone modeling is a notable finding in prenatal and neonatal bovine femurs.
    • The identified lesions suggest disruptions in normal bone development processes.
    • Further research into the etiology and impact of these lesions is warranted.