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Hemochromatosis in Salers cattle
1Veterinary Medical Teaching Hospital, Large Animal Clinic, School of Veterinary Medicine, University of California, Davis 95616.
Journal of Veterinary Internal Medicine
|March 1, 1994
Summary
Primary hemochromatosis, a hereditary iron metabolism disorder, was diagnosed in Salers cattle exhibiting liver disease and retarded growth. Affected animals showed excessive iron accumulation, similar to human idiopathic hemochromatosis.
Area of Science:
- Veterinary Medicine
- Genetics
- Animal Science
Background:
- Investigated retarded growth and diarrhea in two 2-year-old Salers cattle.
- Assessed liver function through enzyme activities and sulfobromophthalein (BSP) half-life.
Observation:
- Histopathology revealed micronodular cirrhosis with significant hemosiderin deposition in liver tissues.
- Elevated transferrin saturation (TS) and liver iron content confirmed hemochromatosis.
- Necropsy showed widespread hemosiderin accumulation across multiple organs.
Findings:
- A subsequent generation heifer was identified as a hemochromatosis suspect with similar histopathologic and iron level changes.
- Affected cattle were products of line breeding, suggesting a hereditary basis.
- Findings were consistent with primary hemochromatosis, ruling out dietary iron overload.
Implications:
- This condition in cattle mirrors idiopathic hemochromatosis in humans, indicating a shared hereditary defect in iron metabolism.
- Highlights the importance of genetic screening in line-bred cattle populations to identify and manage hereditary diseases.
- Provides insights into bovine iron metabolism disorders and their genetic underpinnings.