Five-year longitudinal study on limited food consumption and development of osteoarthritis in coxofemoral joints of dogs.
Richard D Kealy, Dennis F. Lawler, Joan M. Ballam, et al.
JAVMA, Vol. 210, No. 2, pp. 222-5, 1997
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Abstract
OBJECTIVE: To examine the effects of limited food intake on frequency and severity of osteoarthritis in coxofemoral joints of labrador Retrievers. DESIGN: Dogs were paired according to gender and body weight, within each litter at 8 weeks of age. One dog of each pair was fed ad libitum. The limit-fed pairmate was fed 75% of the amount eaten the previous day by the ad libitum-fed counterpart. ANIMALS: 48 Labrador Retrievers. PROCEDURE: All dogs received the same diet. Radiographic evaluation of coxofemoral joints for frequency and severity of osteoarthritis were made when dogs were 4 and 6 months and 1, 2, 3, and 5 years old. RESULTS: Radiographic evaluation for osteoarthritis indicated greater frequency and more severity of osteoarthritis in the ad libitum-fed group of dogs. CLINICAL IMPLICATIONS: Analysis of data suggested that limit feeding of dogs over a 5-year period minimizes development of osteoarthritis in the coxofemoral joints.