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Mammal Specimen Preparation Guide

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					              Mammal Specimen Preparation Guide




Before cutting, take the following   Notes:
measurements:
                                             Use chinchilla dust to dry out skin.
    1.   (TL) Total Length                   Use cob dry to soak up extraneous
    2.   (TV) Tail Vertebrae                  body fluids.
    3.   (HF) Hind Foot
    4.   (E) Ear
    5.   (WT) Weight in grams




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 Mammal Specimen Preparation Guide




1.   Grab skin with forceps to cut without breaking   2.   Using forceps or fingers, loosen the skin from
     peritoneum.                                           the peritoneum.




3.   Loosen the skin from the peritoneum of the       4.   If preparing a skin and skeleton specimen, pull
     left upper leg.                                       left leg out completely,




5.   Loosen skin from the peritoneum in right leg     6.   Cut right hind leg at joint and remove
     to keep with skin.                                    excess muscle.



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  Mammal Specimen Preparation Guide




7.   If male, remove baculum from skin; otherwise,   8.   Loosen skin around tail. Cut rectum, saving skin
     loosen all skin to tail.                             and skeleton.




9.   Use fingernails or forceps to pull tail bones   10. Peel skin forward to remove arms without
     from tail skin.                                      breaking peritoneum.




11. Cut front right leg at joint and remove          12. Move forward and clear flesh from ears
     excess muscle.                                       to cut at the ear canal.




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  Mammal Specimen Preparation Guide




13. Cut at ear canal laying scissors flat to skull to   14. Pull skin forward and cut ligament at back of
     get a clean cut.                                        eye socket.




15. Keep scissors flat to skull and cut connective      16. Pull skin forward and cut between upper and
     tissue around eye.                                      lower back jaw.




17. Cut connective tissue of lower jaw in front of      18. After separating upper and lower jaw, cut
     teeth.                                                  cartilage at nose.




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  Mammal Specimen Preparation Guide




19. Roll cotton, clamp in forceps, and cut excess     20. Insert cotton to nose of inverted skin. Roll skin
     to a point for skin.                                  over cotton.




21. Cut off excess cotton, leaving cotton to length   22. Using forceps, pull skin and push excess cotton
     of skin.                                              within skin.




23. Make sure cotton is completely within skin,       24. Insert wire into the front leg, pushing wire to tip
     except for opening.                                   of middle toe.




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  Mammal Specimen Preparation Guide




25. Insert wire into the hind leg, pushing wire to tip 26. Roll thin layer of cotton on wire to mimic
     of middle toe.                                         tail size and insert.




27. Sew opening using baseball stitch, trying not to
     catch excess hair. Sew mouth shut at three        28. Fill out skin tag, tie on right hind leg, and
     points, tighten, knot and cut excess.                  cut excess thread.




29. Shape, pin, and brush specimen to dry with         30. If indicated, take organ tissue specimens.
     life-like quality.



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