Biosafety and biosecurity. Necropsy room and instrumentation. Management of the carcasses. Definition of necropsy. Postmortem changes and thanatology. Animal identification and related data. Determination of age and nutritional status. External examination of the carcasses. Examination of skeleton, muscles, joints, lymph nodes. The position of the body in death and external signs. Skinning and subcutaneous examination.Techniques of opening and extracting organs of abdominal, pelvic, chest, cranial, and nasal cavities; extraction of the eye. Examinations of the organs of the neck and the vertebral canal. Necropsy of poultry. Diagnostic necropsy ; sampling techniques; compilation of necropsy report.