Publications
The Canadian Journal of Veterinary Research 2013; 77: 66–74

Effect of a diet enriched with green-lipped mussel on pain behavior and functioning in dogs with clinical osteoarthritis

Pascale Rialland, Sylvain Bichot, Bertrand Lussier, Maxim Moreau, Francis Beaudry, Jérôme RE del Castillo, Dominique Gauvin, Eric Troncy

Abstract

This study aimed to establish the effect of a diet enriched with green-lipped mussel (GLM) on pain and functional outcomes in osteoarthritic dogs. Twenty-three client-owned dogs with osteoarthritis (OA) were fed a balanced control diet for 30 d and then a GLM-enriched balanced diet for the next 60 d. We assessed peak vertical force (PVF), which is considered to be the gold standard method, at Day (D)0 (start), D30 (end of control diet), and D90 (end of GLM-enriched diet). The owners completed a client-specific outcome measure (CSOM), which is a pain questionnaire, once a week. Motor activity (MA) was continuously recorded in 7 dogs for 12 wk. Concentrations of plasma omega-3 fatty acids were quantified as indicative of diet change. Statistical analyses were linear-mixed models and multinomial logistic regression for repeated measures. The GLM diet (from D30 to D90) resulted in an increase in concentrations of plasma omega-3 fatty acids (P , 0.016) and improvement of PVF (P = 0.003). From D0 to D30, PVF did not significantly change (P = 0.06), which suggests that the GLM diet had a beneficial effect on gait function. Moreover, PVF (P = 0.0004), CSOM (P = 0.006), and MA (P = 0.02) improved significantly from D0 to D90. In general, the balanced control diet could have contributed to reduced OA symptoms, an effect that was subsequently amplified by the GLM diet.

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Raw materials, OEM and PB option at Heimat Co., Japan Ltd
APCGCT: Asia Pacific Consortium of Gene and Cell Therapy
株式会社遺伝子治療研究所
  • Raw materials, OEM and PB option at Heimat Co., Japan Ltd
  • APCGCT: Asia Pacific Consortium of Gene and Cell Therapy
    株式会社遺伝子治療研究所