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Lameness is a major concern for the cattle industry, resulting in economic loss through decreased reproductive performance, 1–4 decreased milk production, 5,6 and premature culling. 7 In addition to the economic loss, lameness is also an

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in American Journal of Veterinary Research

Infections of the distal portion of the limbs are an important cause of lameness and pose welfare and production concerns for both dairy and beef cattle. 1,2 Potential septic foci within the deep tissues of the bovine digit include septic

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in American Journal of Veterinary Research

herd at the University of California-Davis Center for Equine Health. The ages of the horses ranged from 7 to 14 years (mean, 10 years), and body weights ranged from 534 to 646 kg (mean, 563 kg). The horses were not lame when observed at a walk and had

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in American Journal of Veterinary Research

to 19 years old (mean, 10 years old), and body weight ranged from 490 to 579 kg (mean, 523 kg). Horses had no signs of lameness while walking and had no evidence of vascular abnormalities, effusion of the DIP joint, or obvious pathological changes to

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in American Journal of Veterinary Research

remaining horse. All 6 horses were healthy and free of obvious musculoskeletal abnormalities as determined by results of complete physical and lameness examinations, a WBC count, a and serum biochemical analyses. b For the lameness examination, each horse

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in American Journal of Veterinary Research

arthritis can end a horse's athletic career or life. 2 Rapid elimination of the infection is necessary to avoid loss of normal joint function, secondary osteoarthritis, chronic lameness, or euthanasia. Treatment of septic arthritis often requires

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in American Journal of Veterinary Research

the same investigator who was unaware of which treatment was performed on each limb. Clinical, lameness, and neurologic examinations were performed daily. Clinical observations regarding the perfused limb were made and scored on the basis of a numeric

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in American Journal of Veterinary Research

used in the study. All horses were deemed free of metacarpophalangeal joint disease on the basis of results of physical, lameness, and radiographic evaluations. Median body weight was 523 kg (range, 495 to 575 kg), and median age was 14 years (range, 8

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in American Journal of Veterinary Research

, after the final collection of samples), phenylbutazone d (4.4 mg/kg, PO, q 24 h) was administered for 4 days. Horses were stall rested for 4 weeks and closely monitored for any evidence of lameness, swelling of the treated limb, or infection. Limbs were

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in American Journal of Veterinary Research

been associated with lameness in horses, thereby adding to financial losses. 3 Dermatophilosis lesions in horses initially appear as small, localized accumulations of sebum at the nostrils, ears, and muzzle. In advanced disease conditions, lesions

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in American Journal of Veterinary Research