Authors
Alejandra Ambrosino, Germán Cantón, Delfina Balbuena, Victoria Costantino, Agustina Tettamanti, Delfina Montiel, Juan Agustín García
Published in
Veterinary research communications. Volume 50. Issue 5. Jul 11, 2026. Epub Jul 11, 2026.
Abstract
Two outbreaks of hepatic lipidosis were diagnosed in beef cattle under feedlot conditions in the province of Buenos Aires, Argentina. Although this metabolic disease is common in high-producing dairy cows, its occurrence in feedlot cattle is unusual and probably underreported. Outbreak 1 affecting steers, over a 20-day period, was associated with a nutritional imbalance characterized by a deficient ration in physically effective fiber leading to chronic ruminal acidosis and secondary ketogenesis. Outbreak 2 affected finishing steers in association with a prolonged reduction in feed intake, linked to inconsistent manual feeding practices, leading to hepatic lipidosis. In both outbreaks, affected animals showed isolation from the herd, anorexia, weakness, muscular tremors and spontaneous falls. Steatosis and excessive production of ketone bodies were evidenced and confirmed by biochemical and histopathological studies. These cases highlight the importance of nutritional and metabolic monitoring in intensive fattening systems, as well as the need to prevent periods of stress or hyporexia that may trigger energy imbalances and associated hepatic dysfunction.
PMID:
42435128
Bibliographic data and abstract were imported from PubMed on 12 Jul 2026.
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