omega-3 fatty acids

The musculo-skeletal system is comprised primarily of bones, joints, tendons, ligaments, cartilage and muscles. It provides structural support enabling the body to move and these are the parts of the body that can suffer most from mechanical wear and tear, injury and inflammation (Allport, 2010).

Arthritis is the most common cause of chronic pain in pets, affecting as many as 20% of adult dogs (Dodds & Laverdure, 2015).

The typical signs of arthritis include: pain and stiffness (especially after rest), limited mobility such as being hesitant or have trouble jumping up or getting up stairs, running or walking and debilitation in severe or chronic cases. 

Osteoarthritis is a slowly progressive disease with different causes that finally come together on the equivalent pathogenic pathway that is typified by characteristic changes in cartilage, subchondral bone, and synovial membrane (Jones, 2014). 

Osteoarthritis is characterised by the deterioration of joint (articular) cartilage (the smooth,