Increased Triglycerides In Dogs. Hereditary hyperlipidemia is most common in schnauzers, shetland sheepdogs, and collies, though other breeds can also be affected. Vets often describe dog blood that is high in triglycerides as looking like a strawberry smoothie.
High triglycerides, or hyperlipidemia, in dogs is most often caused by an underlying condition, such as diabetes, cushing's disease, pancreatitis, or hypothyroidism. Vetted, vetted july 2020, volume 115, issue 7. Extremely high triglycerides (>400 mg/dl or 4.5 mmol/l) may cause yellowish patches on the skin (xanthomas) [ 53 ].