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The effect of a moderate exercise program on serum markers of bone metabolism in dogs

Vrbanac, Zoran; Brkljaca Bottegaro, Nika; Škrlin, Branimir; Bojanić, Krunoslav; Kusec, Vesna; Stanin, Damir; Belic, Maja (2020) The effect of a moderate exercise program on serum markers of bone metabolism in dogs. Animals, 10 (9). ISSN 2076-2615

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The beneficial effect of physical activity on the musculoskeletal health in dogs is well recognized, but the level of intensity, duration, and frequency of exercise is not fully described. Measurement of serum markers of bone metabolism (bone alkaline phosphatase and osteocalcin as bone formation markers and C-terminal telopeptide as bone resorption marker) during four months of organized moderate-intensity physical training in Labrador retriever and Golden retriever dogs aged between 11.7–24.4 months, showed variations of bone metabolism. Dogs were included in treadmill running sessions for 25 min, three times per week. Blood samples were taken at the beginning of the program (baseline), after two months (mid- term) and at the end of the study after four months. The values of bone alkaline phosphatase and osteocalcin significantly decreased following two months of exercise program. Bone alkaline phosphatase increased by the end of four-month training cycle, but did not reach baseline value. Osteocalcin levels continued to decrease towards the end of the study. C-terminal telopeptide concentrations did not significantly change throughout the study duration. The results of this study show that aerobic exercise of moderate-intensity caused an initial decrease in bone formation followed by an increase of bone alkaline phosphatase and a further decrease of osteocalcin concentration. The response of two formation markers can be explained by the different stage of osteoblast activity that they express. In summary, moderate exercise resulted in no change in bone resorption, and a mild bone formation in young developing dogs.

Item Type: Article
Uncontrolled Keywords: bone remodeling ; biomarkers ; exercise ; dog
Subjects: NATURAL SCIENCES > Biology
Divisions: Division of Materials Chemistry
Depositing User: Lovorka Čaja
Date Deposited: 26 Nov 2020 10:30
DOI: 10.3390/ani10091481

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