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A technique for liver biopsy in Pekin ducks
J Bacher1, C Kassianides, T J Moskal
1Division of Research Services, National Institute of Diabetes and Digestive and Kidney Diseases, Bethesda, MD.
Laboratory Animal Science
|January 1, 1989
Summary
Researchers developed a safe and reliable technique for repeated liver biopsies in ducks infected with duck hepatitis B virus (DHBV). This method allows for serial analysis of liver tissue to study viral replication and injury.
Area of Science:
- Virology
- Hepatology
- Animal Models
Background:
- Duck hepatitis B virus (DHBV) is a hepadnavirus and a valuable animal model.
- Studying DHBV infection in Pekin ducks aids research into viral replication, infection course, and antiviral treatments.
- Chronic DHBV infection necessitates repeated liver tissue analysis to assess viral load and liver damage.
Purpose of the Study:
- To describe a novel technique for obtaining serial liver biopsies in DHBV-infected ducks.
- To establish a safe and reliable method for repeated liver sampling in this animal model.
Main Methods:
- A Keyes skin punch biopsy technique was employed for liver sampling.
- The procedure was performed on 18 chronically DHBV-infected Pekin ducks.
- Quantification of liver tissue and assessment of hemorrhage were conducted.
Main Results:
- The Keyes skin punch biopsy provided sufficient liver tissue for serial analyses.
- The technique resulted in minimal hemorrhage during repeated sampling.
- The procedure proved to be safe and reliable for obtaining serial liver biopsies.
Conclusions:
- The described Keyes skin punch biopsy technique is a safe and effective method for repeated liver sampling in DHBV-infected ducks.
- This technique supports longitudinal studies of viral replication and liver injury in this important animal model.