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Kansas City, MO, United States

Suedmeyer W.K.,Kansas City Zoo | Stockinger B.G.,Kansas City Zoo | Garner M.M.,Northwest ZooPath | Bradway D.S.,Washington State University | And 2 more authors.
Journal of Zoo and Wildlife Medicine | Year: 2015

A 17-yr-old female fallow deer presented with ataxia, inappetence, decreased fecal output, and decreased mentation. A complete blood count demonstrated leukocytosis (24.1 × 103/μl, n = 1.16-7.38 × 103/μl), characterized by lymphocytosis (22.89 × 103/μl, n = 0.18-3.65 × 103/μl), anemia (packed cell volume 20%, n = 29.0-55.8%), decreased red blood cell count (4.1 × 103/μl, n = 6.86-14.72 × 103/μl), and decreased hemoglobin (7.5 g/dl, n = 9.4-19.2 g/dl). Numerous mature, well-differentiated lymphocytes were noted on the blood film. Despite treatment and clinical improvement, the decision was made to euthanize the deer. Histopathology identified a monomorphic population of CD3 positive, CD79a negative small lymphocytes replacing most of the hematopoietic tissue in the bone marrow without evidence of tissue invasion. Results of viral screening were negative. © 2015 by American Association of Zoo Veterinarians. Source


Takle G.L.,Kansas City Zoo | Suedmeyer W.K.,Kansas City Zoo | Mertins J.W.,U.S. Department of Agriculture | Garner M.M.,Northwest ZooPath
Journal of Zoo and Wildlife Medicine | Year: 2010

One female and two male 4-mo-old, sibling rock hyraxes (Procavia capensis) presented with severe generalized dermatitis characterized by nonpruritic, nonalopecic, mildly encrusted, focally ulcerated pustular nodules. The dorsum, limbs, and dorsal cranium were most severely affected. Skin scrapings, histopathology, and scanning electron microscopy revealed the presence of various life stages of a novel Demodex sp. As a result of the generalized nature of infestation, treatment began with ivermectin and then changed to doramectin, at a dose of 0.6 mg/kg s.c. every 7 days. Weekly skin scrapings and intermittent blood work, including serum protein electrophoresis, were used to evaluate treatment response. Complete resolution, as determined by two consecutive negative skin scrapings, was noted in all three hyraxes within 10-14 wk. Copyright 2010 by American Association of Zoo Veterinarians. Source


Takle G.L.,Kansas City Zoo | Suedmeyer W.K.,Kansas City Zoo | Hunkeler A.,Hunkeler Animal Eye Clinic
Journal of Zoo and Wildlife Medicine | Year: 2010

The following tests were performed on a total of 20 eyes: Schirmer tear test, intraocular pressure (IOP), assessment of conjunctival flora, and pupillary diameter with application of topical tropicamide in 10 healthy captive red kangaroos (Macropus rufus) under manual restraint. The mean Schirmer tear test value was 22.6 ± 6.07 mm/min. The mean intraocular pressure was 17.45 ± 7.23 mm Hg. Values did not differ between eyes or gender for either test, but significant differences were identified for IOP values according to age. The most common bacteria isolated from the conjunctival fornix were Staphylococcus epidermidis (54.5) and Corynebacterium sp. (18.2). The mean onset of mydriasis after instillation of 1 tropicamide ophthalmic solution was 16.7 ± 3.34 min and the mean duration of effect was 17.6 ± 8.26 hr. The data obtained in this investigation will aid veterinary ophthalmologists and zoo veterinarians to diagnose ocular diseases in the red kangaroo accurately. © 2010 American Association of Zoo Veterinarians. Source


Takle G.L.,Kansas City Zoo | Suedmeyer W.K.,Kansas City Zoo | Garner M.M.,Northwest ZooPath
Journal of Zoo and Wildlife Medicine | Year: 2010

A captive-born female sub-adult Eastern black rhinoceros (Diceros bicornis michaeli) developed areas of non-ulcerated, non-pruritic depigmentation around the nares at 2 yr of age. Over the subsequent 18 mo, the symmetrical multifocal depigmented macules increased in size and distribution to include facial fold crypts, interdigital skin, lips, nares, palmar carpi, ventral abdomen, ventral mandible, axillae, lateral brachium and antebrachium, lateral thighs, ventral tail, and perineal region with an estimated 15% of the skin affected. Facial fold skin biopsies revealed multifocal hypopigmentation with melanin incontinence and mild perivascular lymphohistiocytic dermatitis. The gross appearance and histologic lesions were consistent with vitiligo. Treatment with UV-B narrowband phototherapy was performed on the lateral thighs, lateral elbows, palmar carpi, and rostral maxilla for a period of 12 mo. Significant repigmentation of the treatment areas was achieved. Copyright 2010 by American Association of Zoo Veterinarians. Source

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