Related Experiment Videos
Osteochondrosis and juvenile spavin in equids
B J Watrous1, B D Hultgren, P C Wagner
1College of Veterinary Medicine, Oregon State University, Corvallis 97331-4802.
American Journal of Veterinary Research
|April 1, 1991
Summary
Osteochondrosis, a developmental disorder, was found in 36 of 50 young horses. This condition in tarsal joints can lead to the development of bone and cartilage lesions characteristic of equine spavin.
Area of Science:
- Veterinary Pathology
- Equine Orthopedics
- Developmental Orthopedic Diseases
Background:
- Osteochondrosis is a common developmental orthopedic disease in young horses.
- Lesions typically affect the distal limb joints, including the tarsus.
- Understanding the pathogenesis of osteochondrosis is crucial for equine welfare.
Purpose of the Study:
- To investigate the prevalence and characteristics of osteochondrosis lesions in the distal tarsal joints of young equids.
- To determine the association between osteochondrosis and the development of spavin.
Main Methods:
- Necropsy examination of 50 young equids.
- Gross pathologic and histopathologic evaluation of tarsal joints for osteochondrosis.
- Characterization of lesion types, ranging from retained endochondral cores to cartilage ulceration.
Main Results:
- Osteochondrosis lesions were identified in 36 out of 50 (72%) young equids examined.
- Lesions varied from retained endochondral cores to subchondral osseous cyst-like formations and cartilage ulceration.
- The observed abnormalities were characteristic of osteochondrosis in the distal tarsal joints.
Conclusions:
- Osteochondrosis is a significant finding in the distal tarsal joints of juvenile equids.
- The study supports the conclusion that osteochondrosis can be a causative factor in the development of equine spavin.