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James Schumacher, DVM


Professor
Department of Large Animal Clinical Sciences
College of Veterinary Medicine
The University of Tennessee
2407 River Drive
Knoxville, TN 37996
Phone: (865) 974-
FAX: (865) 974-5773

Education

  • 1978-1980 - Residency in Large Animal Surgery
    Deptartment of Large Animal Medicine & Surgery, Texas A&M University
  • 1980 - Master of Science Texas A&M University
  • 1973 - D.V.M. Kansas State University
  • 1972 - Bachelor of Science Kansas State University

Board Certification

  • Diplomat, American College of Veterinary Surgeons
  • Member, Royal College of Veterinary Surgeons
  • MVB, a veterinary degree granted by the University College of Dublin as a requirement for licensure in Ireland

Academic Experience

  • 2006-present
    Professor
    Department of Large Animal Clinical Sciences
    College of Veterinary Medicine
    The University of Tennessee
  • 2003-2005
    Associate Professor
    Department of Large Animal Clinical Sciences
    College of Veterinary Medicine
    The University of Tennessee
  • 2001-2003
    Lecturer
    Department of Veterinary Surgery
    University College of Dublin
  • 2001
    Professor
    Department of Large Animal Surgery & Medicine
    College of Veterinary Medicine
    Auburn University
  • 1999-2001
    Associate Professor
    Department of Large Animal Surgery & Medicine
    College of Veterinary Medicine
    Auburn University
  • 1997-1999
    Senior Lecturer
    Department of Farm Animal & Equine Medicine & Surgery
    Royal Veterinary College
    Hertfordshire, UK
  • 1995-1997
    Professor, Department of Large Animal Medicine and Surgery
    College of Veterinary Medicine
    Texas A&M University
  • 1995 - (6 months)
    Visiting Professor Glasgow University Veterinary School
    University of Glasgow
  • 1989-1995
    Associate Professor Department of Large Animal Medicine & Surgery
    College of Veterinary Medicine
    Texas A&M University
  • 1988 - (4 months)
    Visiting Assistant ProfessorDepartment of Surgery
    School of Veterinary Medicine
    University of California, Davis
  • 1982-1989
    Assistant Professor Department of Large Animal Medicine & Surgery
    Texas A&M University
  • 1981-1982
    Instructor
    Department of Large Animal Medicine & Surgery
    Texas A&M University

Professional Organizations (past and present)

  • American Veterinary Medical Association
  • American Association of Equine Practitioners
  • American Association of Veterinary Clinicians
  • American College of Veterinary Surgeons
  • British Equine Veterinary Association
  • Royal College of Veterinary Surgeons
  • Wound Management Society

Clinical Interests

  • skin grafting, reproductive surgery, and respiratory surgery

Research Interests

  • skin grafting, reproductive surgery, and respiratory surgery

Research Activities -- Funded Research

  1. Large Animal Medicine and Surgery, Research Development Fund. Stainless steel for closure of the lineaalba. J. Schumacher, principal investigator, 1979.
  2. Large Animal Medicine and Surgery, Research Development Fund. Repair of facial defects caused by facial nerve paralysis. J. Schumacher, principal investigator, 1981.
  3. Equine Orthopedic Fund. The Developing Foal - A Radiographic Study. J. Schumacher, co-investigator, (J.Auer, P.I.), 1984.
  4. College of Veterinary Medicine, Research Development Fund. Effect of high ambient temperature on oviductal temperature in dairy cows. J. Schumacher, co-investigator, (D. Hardin, P.I.), 1984. $4,370.
  5. Large Animal Medicine and Surgery, Research Development Fund. Prospective pilot study of equine colicat Texas A&M University. J. Schumacher, co-investigator, (D.Hood, P.I.), 1985.
  6. Boehringer-Ingelheim. Effect of clenbuterol on the tracheal mucociliary transport rate (TMTR) in healthy horses. J. Schumacher , co-investigator, (D. Merton, P.I.), 1986.
  7. Large Animal Medicine and Surgery, Research Development Fund. Preservation of skin for autogenous grafting in the horse. J. Schumacher, principal investigator,1986. $4,000.
  8. Large Animal Medicine and Surgery, Enhancement Fund. Evaluation of peritoneal fluid after castration of the horse. J. Schumacher , co-principal investigator, 1986. $550.
  9. Large Animal Medicine and Surgery, Research Development Fund. An in vitro study of cartilage retention strength after polyester and PTFE suture implantation for correction of idiopathic laryngeal hemiplegia in the horse. J. Schumacher, co-investigator, (P. Dean, P.I.), 1987. $465.
  10. Large Animal Medicine and Surgery, Enhancement Fund. Nasopharyngeal culture and serologic testing of horses with subacute pharyngitis and nasopharyngeal cicatrices. J.Schumacher, principal investigator, 1987. $635.
  11. Large Animal Medicine and Surgery, Enhancement Fund. Etiology of cystic sinus disease. J. Schumacher, principal investigator, 1988. $225.
  12. College of Veterinary Medicine. Enhancement Fund. Wound contraction following skin grafting in the horse. J. Schumacher, co-principal investigator, 1989. $3,300.
  13. College of Veterinary Medicine, Enhancement Fund. Paranasal sinusography in the horse. J.Schumacher, co-principal investigator, 1989. $261.
  14. College of Veterinary Medicine, Research Development Fund. Comparison of contraction between grafted and ungrafted wounds. J. Schumacher, co-principal investigator, 1990. $3,300.
  15. College of Veterinary Medicine, Research Development Fund. Autologous fibrin tissue adhesive for fixation of skin grafts in the horse. J. Schumacher, co-principal investigator, 1991. $4,000.
  16. Texas Veterinary Medical Foundation. Autologous fibrin tissue adhesive for fixation of skin grafts in the horse. J. Schumacher, co-principal investigator, 1991. $4,955.
  17. College of Veterinary Medicine, Enhancement Fund. Physical and radiographic dental survery of miniature horses. J. Schumacher, co-investigator, (W. L. Scrutchfield, P. I.), 1991. $5,000.
  18. Large Animal Medicine and Surgery Enhancement Fund. Long-term follow-up and postoperative complications of equine colic: A prospective study. J. Schumacher, co-investigator, (C. Honnas, P. I.), 1991. $8,780.
  19. Lilly Research Laboratories. Therapeutic efficacy of monensin sodium against bovine paratuberculosis. J. Schumacher, co-investigator, (G. Brumbaugh,P.I.), 1991. $38,000.
  20. College of Veterinary Medicine Enhancement Fund. Endoscopy of the upper respiratory tract in the horse. J. Schumacher , co-principal investigator, 1991. $500.
  21. College of Veterinary Medicine, Enhancement Fund. Subcutaneous transposition of parietal pleura of horses. J. Schumacher, co-investigator, (G. Brumbaugh, P.I.), 1991. $900.
  22. Fats and Protein Research Foundation. The upper limits to small intestinal fat digestion in the equine. J. Schumacher , co-investigator, (G. Potter, P.I.), 1992. $38,000.
  23. College of Veterinary Medicine, Research Development Fund. Treatment of priapism of stallions by creating a vascular shunt between the corpus cavernosum penis and the corpus spongiosum penis. J. Schumacher , co-principal investigator, 1994. $5,318.
  24. Birmingham Racing Commission. Effects of analgesia of the distal interphalangeal joint or palmar digital nerves on lameness caused by solar pain in horses. J. Schumacher, co-principal investigator, 1999, $2,000.
  25. Birmingham Racing Commission. Treatment of laryngeal neuropathy using a cable and washer prosthesis. J. Schumacher, principal investigator, 1999. $10,500.
  26. Birmingham Racing Commission. Effects of grafting of fetal skin to cutaneous wounds of horses. J.Schumacher, principal investigator, 2000. $8,270.57.
  27. Birmingham Racing Commission. Effect of lavage of the horse's abdomen using sterile, distilled water to prevent abdominal adhesions. Jim Schumacher, co-investigator, (John Schumacher, P.I.), 2000. $9,610.
  28. Animal Health and Disease Research. Chemical ablation of the seminal vesicle in the bull. J. Schumacher, co-principal investigator, 2000, $20,000.
  29. Birmingham Racing Commission. Comparison of corpus spongiosum penile pressures during urination in geldings and stallions and the association of corpus spongiosum pressures to urethral rupture. Jim Schumacher, co-investigator, (Jennifer Taintor, P.I.), 2001. $7,622.
  30. Resident Research Fund, and Tennessee Equine Veterinary Research Organization. Effects of hyperbaric oxygen on acceptance of full-thickness grafts of horses J. Schumacher, co-investigator, (Troy Holder, P.I.), 2004. $4500.
  31. Houston Equine Research Organization. Concentration of methylprednisolone, methylprednisolone acetate and triamcinolone in the navicular bursa after injection in the distal interphalangeal joint and concentration of methylprednisolone, methylprednisolone acetate and triamcinolone in the distal interphalangeal joint after injection in the navicular bursa. J. Schumacher, co-investigator, (Frederik Pauwels, P.I.), 2004. $6372.
  32. Tennessee Equine Veterinary Research Organization. Suspension of the broad ligament to enhance uterine clearance in mares with chronic endometritis. J Schumacher, principal investigator, 2006. $710.
  33. Large Animal Research Committee Fund. Evaluation of a modified surgical technique to correct urine pooling in cows. J Schumacher, co-investigator (Tulio Prado, P.I.), 2006. $1527.
  34. Tennessee Equine Veterinary Research Organization. Comparison of ultrasound-guided centesis of the trochanteric bursa of horses with non-ultrasound-guided centesis of the trochanteric bursa. J Schumacher, co-investigator, (Ferenc Tóth, P.I.), 2007. $3767.
  35. Tennessee Equine Veterinary Research Organization. Evaluation of a modified surgical technique to correct urine pooling in mares. J Schumacher, co-investigator (Tulio Prado, P.I.), 2007. $2910.
  36. Tennessee Equine Veterinary Research Organization. The effect of hyperbaric oxygen therapy on endotoxin-induced changes in horses. J Schumacher, co-investigatory (Tom Doherty, PI), 2008. $2412.
  37. United States Equestrian Federation, Inc, Equine Health Research Fund. Effects of an intra-articularly administered, nonsteroidal, anti-inflammatory drug (ketorolac) on inflamed joints of horses. J Schumacher, co-investigator, (Ferenc Tóth, P.I.), 2008. $17,690. (Submitted).
  38. Center for Excellence in Livestock Disease and Human Health. The effect of hyperbaric oxygen therapy (HBOT) when applied prior to skin graft application, on acceptance of full-thickness grafts applied to fresh and granulating wounds of horses. J Schumacher, co-investigator, (Chad Baumwart, P.I.), 2008. $2951 (Submitted).
  39. Center for Excellence in Livestock Disease and Human Health. The effect of hyperbaric oxygen therapy on healing of lesions of the superficial digital flexor tendon. J Schumacher, co-investigator, (Tom Doherty, P.I.), 2008. $17,690. (Submitted).

Publications

Refereed Articles-Published

  1. Goulding R, Schumacher J, Barrett DC et. al.: Use of a permanent tracheostomy to treat laryngeal chondritis and stenosis in a heifer. Vet Rec 152: 809-811, 2003.
  2. Schumacher J, Schumacher J, Gillette R, et. al: The effects of local analgesic solution in the navicular bursa of horses with lameness caused by distal interphalangeal joint pain. Equine Vet J (in press, 2002).
  3. Perkins J, Schumacher J, Waguespack W, et al.: Penile retroversion and partial phallectomy performed in a standing horse. Vet Record (in press, 2002).
  4. Waguespack, RW, Schumacher J, Wolfe D, et. al: Chemical ablation of the seminal vesicles of the bull. J Therio (submitted, 2002).
  5. Collins N, Kelly G, Pollock P, McAllister H, and Schumacher J: Removal of largenecrotic fragments of the tuber coxae from a standing horse. Irish Vet J 56:361-363, 2003.
  6. Gomez JH, Schumacher J, Swaim, S, et. al.: Effects of three biological dressings on healing of cutaneous wounds on the limbs of horses. Can J Vet Res (submitted, 2002).
  7. Schumacher J, Livesey L, DeGraves FJ, Schumacher J, et. al.: Effect of anaesthesia of the digital nerves on proximal interphalangeal joint pain in the horse. Equine Vet J (submitted, 2003).
  8. Taintor J, Schumacher J, Schumacher J, et. al.: Comparison of pressures in the corpus spongiosum penis during urination between geldings and stallions. Equine Vet J (in press, 2003).
  9. Collins N, Kelly G. Pollock P, McAllister H, and Schumacher J: A subcutaneous fibrous hamartoma in a foal. Vet Record (in press, 2003).
  10. Schumacher J, Schumacher J, Schramme MC, et. al.: Diagnostic analgesia of the equine forefoot. Equine Vet Edu (submitted, 2002).
  11. Schumacher J, Livesey L, DeGraves F J, Schumacher J, et al. Effect of anaesthesia of the palmar digital nerves on proximal interphalangeal joint pain in the horse. Equine Vet J 36:409-414. 2004.
  12. Pollock PJ, Prendergast M, Schumacher J, Bellenger CR. Effects of surgery on the acute phase response in clinically normal and diseased horses. Vet Rec 156:538-542, 2005
  13. Nagamine CM, Castro F, Buchanan B, Schumacher J, et. al.: Proliferative pododermatitis (canker) with intralesional spirochetes in three horses. J Diag Invest 17:269-271, 2005.
  14. Perkins J, Schumacher J, Kelly, et al: Subtotal ostectomy of dorsal spinous processes performed in nine standing horse. Vet Surg 34:625-629, 2005.
  15. Castro FV, Schumacher J, Pauwels F, et al: A new approach to desensitizing the lateral palmar nerve of the horse. Vet Surg 34:539-542, 2005.
  16. Perkins J, Schumacher J, Schumacher J, et al: Surgical removal of inspissated exudate from the guttural pouch of 10 standing horses. Vet Surg 35:658-662, 2006.
  17. Prado TM, Schumacher J, Hayden SS, et al: Evaluation of a modified surgical technique to correct urine pooling in cows. Theriogenology 67:1512-1517, 2007.
  18. Holder T, Schumacher J, Donnell R, Rohrbach B, Adair HS: Short-term effects of hyperbaric oxygen on full-thickness sheet grafts applied to fresh and granulating wounds of horses. Am J Vet Res 69:144-147, 2008.
  19. Harper J, Schumacher J, DeGraves F, Schramme M, Schumacher J: Effects of analgesia of the digital flexor tendon sheath on pain originating in the sole, distal interphalangeal joint, or navicular bursa of horses. Equine Vet J 39:535-539, 2007.
  20. Schumacher J, Brink P, Easley, J, et al: Surgical correction of wry nose in four horses. Vet Surg 37:142-148, 2008.
  21. Kelmer G, Schumacher J. How to repair an abdominal incisional hernia in the horse using a mesh implanted subcutaneously. Pro Am Assoc Equine Pract 53:445-450, 2008.
  22. Toth F, Schumacher J, Schramme M, et al: Compressive damage to the deep branch of the lateral plantar nerve associated with lameness caused by proximal suspensory desmitis. Vet Surg 37:328-335, 2008.
  23. Pauwels FE, Schumacher J, Castro F, et al. Diffusion of corticosteroids between the distal interphalangeal joint and navicular bursa of horses. Am J Vet Res 69:611-616, 2008.
  24. Kelmer G, Schumacher J. Repair of abdominal wall hernias in horses using primary closure and subcutaneous implantation of mesh. Vet Rec 163: 677-679, 2008.
  25. Moyer W, Schumacher J, Schumacher J, et. al. Are drugs effective in treatment of horses with laminitis? Proc Am Assoc Equine Pract (in press, 2008).
  26. Morgan DD, McClure S, Yaeger J, Schumacher J et. al. Effects of extracorporeal shockwave therapy on wounds of the distal portion of the limbs of horses. J Am Vet Med Assoc (in press, 2008).
  27. Cruz C, Sommardahl C, Chapman E, Schumacher J. Successful treatment of a horse for a sinonasal cryptococcal granuloma. J Am Vet Med Assoc (in press 2008).
  28. Perkins J, Bennett C, Windley Z, and Schumacher J. A comparison of sinoscopic techniques for examining the rostral maxillary and ventral conchal sinuses of horses: Part 1 - Cadaver heads. Vet Surg (in press, 2009).
  29. Toth F, Schumacher J, Newman S. Calcinosis circumscripta in the antebrachiocarpal joint of a horse. Equine Vet Edu (submitted, 2009).
  30. Pauwels FE; Schumacher J; Mayhew I G, Van Sickle D.C. Neurectomy of the deep branch of the lateral plantar nerve causes neurogenic atrophy of the muscle fibers in the proximal part of the suspensory ligament (M. interosseous III). Equine vet J (in press, 2009).

Textbooks

  1. Varner DD, Schumacher J, Blanchard TL, Johnson L: Diseases and Management of the Breeding Stallion. American Veterinary . Goleta, CA.1991, 349 pages.
  2. Mair T, Love S, Schumacher J, Watson E, (eds): Equine Medicine, Surgery, and Reproduction. W.B. Saunders Co. Philadelphia. 1997, 498 pages.
  3. Blanchard TL, Varner DD, Schumacher J: Manual of Equine Reproduction. Mosby. Philadelphia, 1997, 209 pages.
  4. Blanchard TL, Varner DD, Schumacher J, et. al.: Manual of Equine Reproduction. 2nd ed. Mosby. Philadelphia. 2002, 253 pages.
  5. Moyer W, Schumacher J. A Guide to Equine Joint Injections. Veterinary Learning Systems Co., Inc. Yardly, Penn. 2002, 56 pages.
  6. McGorum B, Dixon P, Robinson E, Schumacher J, (eds): Equine Respiratory Medicine and Surgery. Elsevier Science. Oxford, 2007, 705 pages.
  7. Moyer W, Schumacher J, Schumacher J. A Guide to Equine Joint Injections and Regional Anesthesia. 4th ed. Veterinary Learning Systems Co., Inc. Yardly, Penn. 2007, 110 pages.
  8. Blanchard TL, Varner DD, Schumacher J, et. al.: Manual of Equine Reproduction. 3rd ed. Mosby. Philadelphia. (in press, 2008).
  9. Easley J, Dixon P, Schumacher J, (eds). Equine Dentistry 3rd ed. Elsevier, Philadelphia. (in progress).

Contributions to Textbooks

  1. Schumacher J, Vaughan JT: Surgery of the penis and prepuce. Vet Clin North Am Equine Pract. W.B. Saunders Co. Philadelphia. 1988, 4(3):473-491.
  2. Schumacher J, Hanselka DV: Skin grafting of the horse. Vet Clin North Am Equine Pract. W.B. Saunders Co. Philadelphia. 1989, 5(3): 591-614.
  3. Schumacher J: Nasopharnygeal cicatrices. In Auer JA, (ed): Textbook of Equine Surgery. W.B. Saunders Co. Philadelphia. 1990, pp 448-449.
  4. Schumacher J: Surgery of the testicle and associated structures. In Auer JA,(ed): Textbook of Equine Surgery. W.B. Saunders Co. Philadelphia. 1990. pp 674-703.
  5. Schumacher J: Surgery of the penis and prepuce. In Auer JA, (ed): Textbook of Equine Surgery, W.B. Saunders Co. Philadelphia. 1990. pp703-723.
  6. Varner D, Schumacher J: Disease of the reproductive system: the stallion. In Colahan PT, Mayhew IG, Merrittt AM, Moore JN, (eds): Equine Medicine and Surgery. 4th ed. American Veterinary, Inc. Goleta, CA. 1991, pp 847-984.
  7. Schumacher J, Varner DD: Neoplasia of the stallion's reproductive tract. In McKinnon AO and Voss JL, eds: Equine Reproduction. Lea and Febiger. Philadelphia. 1992, pp 871-877.
  8. Schumacher J, Honnas CM: Dental Surgery. Vet Clin North Am Equine Pract. W.B. Saunders Co. Philadelphia. 1993, 9(1):133-152.
  9. Scrutchfield WL, Schumacher J: Examination of the oral cavity and routine dental care. Vet Clin North Am Equine Pract. W.B. Saunders Co. Philadelphia. 1993, 9(1):123-131.
  10. Schumacher J, Schumacher J: Surgical management of urolithiasis in the equine male. In Moll HD and Wolfe DF, (eds): Vaughan and Walker's Bovine and Equine Urogenital Surgery. Williams and Wilkins. Philadelphia. 1998, pp 69-73.
  11. Schumacher J, Schumacher J, Spano JS: The urogenital system. In Mair T, Love S, Schumacher J, (eds): Equine Medicine and Surgery. W.B. Saunders Co. Philadelphia. 1997, pp 156-181.
  12. Chaffin MK, Schumacher J, McMullan WC: Cutaneous pythiosis of the horse. Vet Clin North Am Equine Pract. W.B. Saunders Co. Philadelphia. 1995, 11(1):91-103.
  13. Schumacher J, Varner DV: Surgical correction of abnormalities affecting the reproductive organs of stallions. In Youngquist RS, (ed): Current Therapy in Large Animal Theriogenology. W.B. Saunders Co. Philadelphia. 1997, pp 24-36.
  14. Crabill M, Schumacher J. Pathophysiology of acquired dental diseases of the horse. Vet Clin North Am Equine Pract. W.B. Saunders Co., Philadelphia. 1998, pp 291-307.
  15. Varner D, Schumacher J: The reproductive system: The stallion. In Colahan PT, Mayhew IG, Merrittt AM, Moore JN, (eds): Equine Medicine and Surgery. 5 thed. American Veterinary , Inc. Goleta, CA. 1998, pp 998-1085.
  16. Schumacher J: Thetestis and associated structures. In Auer JA, Stick JA (eds):Textbook of Equine Surgery. 2nd ed. W.B. Saunders Co. Philadelphia. 1999, pp 515-540.
  17. Schumacher J: The penis and prepuce. In Auer JA, Stick JA (eds): Textbook of Equine Surgery,. 2nd ed. W.B. Saunders Co. Philadelphia. 1999, pp 540-558.
  18. Schumacher J. Diseases of the small colon and rectum. Manual of Equine Gastroenterology. In Mair TS, Divers TJ, Ducharme NG, (eds): W.B. Saunders Co., Philadelphia (in press, 1999).
  19. Schumacher J. Sinusitis. In Brown C, Bertone J (eds): 5-Minute Veterinary Consult: Equine. Lea & Febiger. Philadelphia. 2001, pp 744-745.
  20. Schumacher J. Ethmoidal hematomas. In Brown C, Bertone J (eds): 5-Minute Veterinary Consult: Equine. Lea & Febiger. Philadelphia. 2001, pp 854-855.
  21. Schumacher J, Honnas CM. Progressive Ethmoid Hematoma. Current Therapy in Equine Medicine, 5th ed. W.B. Saunders Co., Philadelphia. 2003, pp 375-378.
  22. Schumacher J, Schumacher J, Schramme, et. al. Anesthesia of the foot. In Floyd A, Mansmann R (eds): Equine Podiatry. Elsevier Science St. Louis, 2007, pp 128-140.
  23. Schumacher J: The testis and associated structures. In Auer JA, Stick JA (eds): Textbook of Equine Surgery. 3rd ed. W.B. Saunders Co. Philadelphia. 2006, pp 775-809.
  24. Schumacher J: The penis and prepuce. In Auer JA, Stick JA (eds): Textbook of Equine Surgery. 3rd ed. W.B. Saunders Co. Philadelphia. 2006, pp 811-835.
  25. Schumacher J: Skin grafting. In Auer JA, Stick JA (eds): Textbook of Equine Surgery. 3rd ed. W.B. Saunders Co. Philadelphia. 2006, pp 269-287.
  26. Schumacher J, Varner DV: Surgical correction of abnormalities affecting the reproductive organs of stallions. In Youngquist RS, Threlfall WR (eds): Current Therapy in Large Animal Theriogenology, 2nd ed. W.B. Saunders Co. Philadelphia, 2007, pp 23-36.
  27. Schumacher J, Dixon P. Diseases of the nasal cavities. In McGorum B, Dixon P, Robinson E, Schumacher J (eds):Equine Respiratory Medicine and Surgery. Elsevier Science. Oxford, 2006, pp 369-392.
  28. Schumacher J, Dixon P. Progressive Ethmoid Haematoma. In McGorum B, Dixon P, Robinson E, Schumacher J (eds):Equine Respiratory Medicine and Surgery. Elsevier Science. Oxford, 2006, pp 409-417.
  29. Dixon P, Schumacher J, Collins N. Diseases of the trachea. In McGorum B, Dixon P, Robinson E, Schumacher J (eds):Equine Respiratory Medicine and Surgery. Elsevier Science. Oxford, 2006, pp 543-562.
  30. Schumacher J, Castro F. Anesthesia of the limbs. In Doherty T, Valverde A (eds): Manual of Equine Anesthesia and Analgesia. Blackwell Publishing. Ames, Iowa, 2006, pp 260-274.
  31. Schumacher J. Anesthesia of the head and penis. In Doherty T, Valverde A (eds): Manual of Equine Anesthesia and Analgesia. Blackwell Publishing. Ames, Iowa, 2006, pp 282-286.
  32. Schumacher J, Schumacher J, Spano JS: Diseases of the equine urogenital system. In Mair T, Love S, Schumacher J, Smith RK, Frazer G (eds): Equine Medicine and Surgery and Reproduction 2nd ed. W.B. Saunders Co. Philadelphia. (submitted, 2006).
  33. Schumacher J. Parnasal sinusitis. In Lavoie J-P, Hinchcliff K (eds): 5-Minute Veterinary Consult: Equine 2nd ed. Lea & Febiger. Philadelphia, 2008, pp 630-631.
  34. Schumacher J. Ethmoidal hematomas. In Lavoie J-P, Hinchcliff K (eds): 5-Minute Veterinary Consult: Equine 2nd ed. Lea & Febiger. Philadelphia, 2008, pp 702-703.
  35. Schumacher J, Perkins J. Sinuscopy and sinus surgery in the standing horse. In Robinson NE, Sprayberry KA (eds): Current Therapy in Equine Medicine, 6th ed. W.B. Saunders Co., Philadelphia, 2008, pp 239-242.
  36. Schumacher J, Wilmink JM. Free skin grafting. In Stashak TS, Theoret CL, (eds): Equine Wound Management 2nd ed, Blackwell Publishing Co. Ames, Iowa, 2008, pp 509-542.
  37. Schumacher J, Stashak T. Management of wounds of the distal extremities. In Stashak TS, Theoret CL, (eds): Equine Wound Management 2nd ed, Blackwell Publishing Co. Ames, Iowa, 2008, pp 375-325.
  38. Schumacher J, Varner DD. Diseases of the penis and prepuce. In McKinnon AO, Squires EL, Vaala WE, Varner DD (eds): Equine Reproduction 2nd ed. Lea & Febiger, Philadelphia. (in press 2008).
  39. Schumacher J, Varner DD. Surgery of the penis and prepuce. In McKinnon AO, Squires EL, Vaala WE, Varner DD (eds): Equine Reproduction 2nd . Lea & Febiger, Philadelphia. (in press, 2008).
  40. Schumacher J, Varner DD. Diseases of the spermatic cord. In McKinnon AO, Squires EL, Vaala WE, Varner DD (eds): Equine Reproduction 2nd ed. Lea & Febiger, Philadelphia. (in press, 2008).
  41. Varner DD, Schumacher J. Diseases of the accessory sex glands. In McKinnon AO, Squires EL, Vaala WE, Varner DD (eds): Equine Reproduction 2nd ed. Lea & Febiger, Philadelphia. (in press, 2008).
  42. Schumacher J, Easley J. Basic Equine Orthodontics and Maxillofacial Surgery. In Easley J, Dixon P, Schumacher J (eds): Equine Dentistry 3rd ed. Elsevier, Philadelphia. (submitted, 2008).
  43. Schumacher J, Schumacher J. Lameness in horses, regional anesthesia. In the Merck Veterinary Manual, 10th edition. (submitted, 2009).