Key Points
- Chronic liver disease may lead to malnutrition, hepatic encephalopathy, and weight loss.
- Antioxidant supplementation may protect hepatocytes from further damage.
- Protein restriction is not required except in cases of liver failure and encephalopathy.
- In liver failure, temporarily restrict protein while feeding a highly digestible diet with moderate amounts of fiber.
In mammals, chronic liver disease is often associated with decreased intake of food, mainly due to anorexia, nausea, and vomiting, as well as taste abnormalities, and the same appears to be true for the avian patient. Chronic liver disease may also lead to maldigestion and malabsorption, as well as metabolic abnormalities such as increased protein and lipid catabolism, glucose intolerance, depletion of hepatic glycogen stores, and decreased glucose oxidation. Therefore chronic liver disease may lead to significant malnutrition and weight loss, particularly in patients with severe hepatic dysfunction . . .
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References
Biourge V. Clinical Nutrition in Liver Diseases. 14th ECVIM-CA Congress, 2004
Dudrick SJ, Kavic S. Hepatobiliary nutrition: history and future. J Hepatobiliary Pancreat Surg 9: p. 459-468, 2002.
Pollock CG, Antinoff N, Carpenter JW. Birds. In: JW Carpenter (ed). Exotic Animal Formulary, 3rd ed. St. Louis, MO, WB Saunders, 2005. p. 135-344.
Siriboonkoom W, Gramlich L. Nutrition and chronic liver disease. Can J Gastroenterol 12(3): p. 201-207, 1998.
Harrison GJ, McDonald D. Nutritional considerations section II: nutritional disorders. In: GJ Harrison, TL Lightfoot (eds). Clinical Avian Medicine, Vol I, Palm Beach, FL, Spix Publishing, Inc, 2006. pp. 108-140.
Hochleithner M, Hochleithner C. Evaluating and treating the liver. In: GJ Harrison, TL Lightfoot (eds). Clinical Avian Medicine, Vol I, Palm Beach, FL, Spix Publishing, Inc, 2006. pp. 441-449.
Pollock C. Nutritional management of liver disease in birds. June 18, 2007. LafeberVet Web site. Available at https://lafeber.com/vet/nutritional-management-of-liver-disease-in-birds/