Intra-articular administration of doxycycline in calves

Haerdi-Landerer, M Christina; Suter, Maja M; Steiner, Adrian (2007). Intra-articular administration of doxycycline in calves. American journal of veterinary research, 68(12), pp. 1324-31. Chicago, Ill.: American Veterinary Medical Association 10.2460/ajvr.68.12.1324

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Objective-To evaluate local tissue compatibility of doxycycline hyclate (DOX) in antebrachiocarpal joints of calves. Animals-10 healthy calves between 80 and 110 kg. Procedures-Calves were assigned to 2 treatment groups. Calves in groups DOX(low) and DOX(high) were administered 5 and 10 mg of DOX, respectively, locally in 1 antebrachiocarpal joint. The contralateral joint served as a control joint and was injected with 0.9% NaCl solution. General and local clinical findings were scored. Several variables were assessed in blood and synovial fluid for 9 days. Calves were euthanatized and pathologic changes and drug residues evaluated. Results-Throughout the study, none of the calves had clinical changes or abnormal hematologic values. Significant differences between treatment and control joints were evident only for matrix metalloproteinases at 0.5 hours after injection, with less activity for the DOX-treated joints in both treatment groups. Values for all synovial fluid variables, except nitric oxide, increased significantly during the first 12 to 72 hours after arthrocentesis in control and DOX-treated joints. Histologic examination revealed minimal infiltration of inflammatory cells independent of the treatment. No drug residues were detected 9 days after arthrocentesis in any tissues obtained from the liver, kidneys, fat, and skeletal muscles. Conclusions and Clinical Relevance-DOX had excellent intra-articular compatibility in healthy calves. Arthrocentesis induced a mild transient increase of inflammatory mediators in the synovial fluid. Significant decreases in matrix metalloproteinase activity in DOX-treated joints may indicate a potential chondroprotective effect of DOX.

Item Type:

Journal Article (Original Article)


05 Veterinary Medicine > Department of Infectious Diseases and Pathobiology (DIP) > Institute of Animal Pathology
05 Veterinary Medicine > Department of Clinical Veterinary Medicine (DKV) > Clinic for Ruminants

UniBE Contributor:

Suter, Maja, Steiner, Adrian




American Veterinary Medical Association




Factscience Import

Date Deposited:

04 Oct 2013 14:54

Last Modified:

05 Dec 2022 14:16

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URI: (FactScience: 37079)

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