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Updated: Aug 1, 2026
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Diagnostic Necropsy and Selected Tissue and Sample Collection in Rats and Mice
Published on: August 7, 2011
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Necropsy in Mouse Research
Snježana Čužić1, Vuk Milutinović2, Maja Antolić1
1Selvita, Zagreb, Croatia.
Methods in Molecular Biology (Clifton, N.J.)
|January 18, 2024
Summary
Necropsy, the postmortem examination of animals, is crucial for translational research. This guide details precise biomaterial collection methods to preserve tissue integrity and molecular data for accurate pathological analysis.
Area of Science:
- Veterinary Pathology
- Translational Medicine
- Laboratory Animal Science
Background:
- Necropsy is essential for postmortem examination in laboratory animals.
- It provides critical data for basic and translational research, particularly in medicine.
- Understanding pathological processes requires meticulous examination of tissues.
Purpose of the Study:
- To describe step-by-step procedures for collecting organs and tissues during animal necropsy.
- To ensure the preservation of organ structure, cellular morphology, and molecular content.
- To provide guidelines for accurate biomaterial collection, minimizing postmortem decay and mechanical damage.
Main Methods:
- Detailed protocols for organ and tissue sampling during necropsy.
- Techniques to prevent mechanical damage and account for postmortem decay.
- Methods for preserving histological and molecular integrity of collected samples.
Main Results:
- Established procedures for optimal biomaterial collection in laboratory animals.
- Demonstrated methods for preserving tissue structure and cellular characteristics.
- Ensured preservation of intracellular proteins, nucleic acids, and chromosome organization.
Conclusions:
- Proper necropsy techniques are vital for reliable scientific data.
- Precise biomaterial collection preserves critical information for research.
- This chapter offers a comprehensive guide for standardized necropsy procedures.
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