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Osteochondrosis in feedlot cattle

R Jensen, R D Park, L H Lauerman

    Veterinary Pathology
    |July 1, 1981
    PubMed
    Summary
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    Osteochondrosis, a bone and cartilage disease, was found in 8.5% of lame cattle joints and 3.8% of fully fattened cattle occipital condyles. Lesions included subchondral defects and degenerated chondrocytes.

    Area of Science:

    • Veterinary Pathology
    • Bovine Medicine
    • Skeletal Biology

    Background:

    • Osteochondrosis is a developmental orthopedic disease affecting cartilage and bone growth.
    • It is a significant concern in cattle production, impacting animal welfare and economic outcomes.
    • Previous research has identified risk factors, but prevalence in specific cattle populations requires further investigation.

    Purpose of the Study:

    • To determine the prevalence and characteristics of osteochondrosis in lame and fully fattened cattle.
    • To investigate lesions in both limb joints and atlanto-occipital joints.
    • To provide detailed radiographic and histological descriptions of the observed lesions.

    Main Methods:

    • Examination of stifle joints from 106 lame cattle and occipital condyles from 28,235 fully fattened cattle over four seasons.

    Related Experiment Videos

  • Radiographic and histological analysis of affected articular cartilage and subjacent bone.
  • Identification and characterization of osteochondrotic lesions, including subchondral defects and chondrocyte abnormalities.

    • Main Results:

    • Osteochondrosis lesions were identified in 9 (8.5%) of the lame cattle examined, primarily in stifle joints.
    • Lesions were found on the occipital condyles of 1063 (3.8%) of the 28,235 fully fattened cattle.
    • Radiographs revealed subchondral defects and epiphyseal "cyst-like" lesions, while histology showed disorganized and degenerated chondrocytes and fibrous tissue replacement of bone trabeculae.

    Conclusions:

    • Osteochondrosis affects both limb joints and atlanto-occipital joints in cattle.
    • The study highlights the presence of characteristic osteochondrotic lesions in partially and fully fattened cattle populations.
    • Detailed pathological findings provide insights into the disease's manifestation and progression in cattle skeletons.