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" Effects of a long-chain polyunsaturated omega-3 fatty acid supplement on fatty acid profiles, lameness, and stride length in horses "
Adrienne Denise Woodward
B. Nielsen
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Latin Dissertation
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English
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| Record Number
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55695
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TL25649
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1432244
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| Main Entry
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Adrienne Denise Woodward
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| Title & Author
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Effects of a long-chain polyunsaturated omega-3 fatty acid supplement on fatty acid profiles, lameness, and stride length in horses\ Adrienne Denise Woodward
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| College
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Michigan State University
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| Date
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2005
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| Degree
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M.S.
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2005
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| Page No
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81
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| Abstract
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Twelve mature and six 2-year-old Arabian horses were used to determine the effect of dietary long-chain polyunsaturated omega-3 fatty acid supplementation on fatty acids, bone markers, and lameness. Stride lengths at the walk and trot, lameness scores, and range of motion of leg joints were measured on d 0 before horses were pair-matched and fed either a treatment diet (FA) containing stabilized omega-3 fatty acids or a control diet (CO) containing corn oil for 75 d. Horses were exercised 5 d/wk, and blood samples were drawn and body weights recorded on d 0, 25, 50, and 75. Stride lengths, lameness exams, and range of motion were recorded again on d 75. Total omega-3 fatty acid concentrations were higher in FA horses than CO horses. Total omega-6 fatty acids increased from d 0 to d 25 before returning to baseline on d 75 in all horses. The ratio of omega-6:omega-3 fatty acids was lower in FA horses. Plasma EPA concentrations tended to increase over time in FA horses. FA horses had increased plasma DHA on d 25, d 50, and d 75. There was no difference in walk stride length; however, FA horses tended to have a longer trot stride after supplementation. There were no differences in osteocalcin, ICTP, PGE2, or TNF-α. Supplementing omega-3 fatty acids increases EPA and DHA, while a trend to increase trot stride length indicates a possible decline in joint pain associated with arthritis, potentially by inhibiting inflammatory pathways.
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Biological sciences; Livestock; Veterinary services; 0778:Veterinary services; 0475:Livestock
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B. Nielsen
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Michigan State University
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