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1.
Vet Ophthalmol ; 2024 Jun 07.
Article in English | MEDLINE | ID: mdl-38849703

ABSTRACT

OBJECTIVES: To determine normal ocular parameters of the MacQueen's bustard (Chlamydotis macqueenii) and describe ophthalmic lesions in a captive bred population. ANIMALS STUDIED: Captive breeding population of 257 Macqueen's bustards. METHODS: All birds were screened for ocular abnormalities using direct ophthalmoscopy. Abnormalities were photographed. Normative values for Schirmer tear test-1 (STT-1), applanation tonometry, aerobic and anaerobic bacterial culture, fungal culture, and transcorneal ocular ultrasonography were derived from multiple cohorts of clinically normal adult birds. Five birds with ocular pathology also underwent transcorneal ultrasonography. Statistical comparisons for normative values between OD and OS, and males and females were made using a paired t-test or Mann-Whitney U-test, with a significance level of p < .05. RESULTS: Mean tear production based on Schirmer tear test 1 (STT-1) was 10.16 ± 4.61 mm/min (3-21 mm/min). Mean intraocular pressure (IOP) was 12.42 ± 4.94 mm Hg (5-26 mm Hg). Staphylococcus species were the most isolated bacteria from the conjunctival surfaces of normal birds (85%). Significant differences were found in transcorneal ultrasonographic measurements between males and females for axial globe length (p = .032), vitreous body depth (p = .049) and lens thickness (p = .0428). Corneal fibrosis was the most observed ocular abnormality amongst eyes with pathological changes (39%). CONCLUSIONS: Schirmer tear testing, tonometry and transcorneal ultrasound can easily be utilized in MacQueen's bustards and provide reproducible results. Normal parameters for these tests were determined, and common pathological ocular changes were described in this species.

2.
Article in English | MEDLINE | ID: mdl-38631922

ABSTRACT

Middle East is a diverse and developing exotic animal market. Undergraduate, postgraduate, and continuing professional development (CPD) education are noticeably absent except in few countries. Avian species are the most commonly kept due to traditional falconry or aviculture. Small mammal and reptile pet numbers are increasing. Endangered wildlife is still illegally kept and trafficked. Common diseases are similar to other continents related heavily with poor diet and husbandry due to uneducated, financially restrained, and prejudiced owners. There is a significant lack of board-certified specialists, teaching facilities, or dedicated private practitioners who thirst for CPD. Clinical research is absent except falcons.

3.
J Avian Med Surg ; 36(3): 262-271, 2022 Nov.
Article in English | MEDLINE | ID: mdl-36468803

ABSTRACT

Aspergillosis is a common disease in birds. Currently, avian aspergillosis is treated with voriconazole administered orally, although intramuscular (IM) administration increases bioavailability and is more effective in treating generalized aspergillosis. The objective of this study was to evaluate the safety of the intravenous formulation of voriconazole as an IM injection in the pectoral muscles of pigeons (Columba livia f. domestica) as a model for other avian species. Sixteen healthy pigeons received IM injections of voriconazole (12.5 mg/kg) and sterile saline in the right and left pectoral muscles, respectively, twice a day for 7 days. Additionally, 4 birds acted as controls (no injections). Eight birds in the treatment group and 2 of the control pigeons were humanely euthanized 1 day (group 1) and 14 days (group 2) after the final injection. Hematologic and plasma biochemistry panels were performed prior to the birds being euthanized. Gross and histopathological evaluations of the pectoral muscles were completed postmortem. Statistical analysis revealed significant differences in multiple parameters, including aspartate aminotransferase and lactate dehydrogenase, but all biochemical analytes remained within the reference intervals for the species. The group 1 birds had advanced gross and histopathological pectoral muscle lesions associated with the voriconazole injections compared with the contralateral side, the group 2 birds, and the negative controls. After 14 days, the pectoral muscles did not reveal any gross or histopathological changes associated with the voriconazole or sterile saline injections. These results indicate that the intravenous formulation is safe for IM use twice per day for 1 week in pigeons. Further investigation is needed to extrapolate these findings to other avian species and to evaluate the roles of longer treatment periods and higher doses of voriconazole.


Subject(s)
Aspergillosis , Columbidae , Animals , Injections, Intramuscular/veterinary , Voriconazole/adverse effects , Aspergillosis/veterinary , Pectoralis Muscles
4.
J Avian Med Surg ; 33(4): 406-412, 2019 Dec 09.
Article in English | MEDLINE | ID: mdl-31833309

ABSTRACT

An adult female gyrfalcon (Falco rusticolus) was presented with a right-wing droop and weight loss. Radiographic images revealed osteolysis and osseous proliferation of the right shoulder and the mobile vertebra between the notarium and synsacrum. The tentative diagnosis was vertebral osteomyelitis secondary to septic arthritis. The bird did not respond to antibiotic and anti-inflammatory therapy and represented 10 days later, with feathers soiled with feces, an impacted, dilated cloaca, and an inability to stand due to spastic paralysis of the hind legs. The bird's condition did not improve with 24 hours of supportive care and its quality of life was considered poor; therefore, the patient was euthanatized and submitted for postmortem examination. Multicentric septic osteomyelitis and arthritis were confirmed in the mobile vertebra between the notarium and synsacrum and the right shoulder. Despite 10 days of antibiotic therapy, Staphylococcus aureus was isolated from within the 2 locations in which septic osteomyelitis and arthritis were identified. This report describes the clinical features, diagnosis, and pathologic findings of septic osteomyelitis and arthritis caused by S aureus in a falcon.


Subject(s)
Arthritis, Infectious/veterinary , Bird Diseases/microbiology , Falconiformes , Osteomyelitis/veterinary , Staphylococcal Infections/veterinary , Animals , Arthritis, Infectious/microbiology , Arthritis, Infectious/pathology , Bird Diseases/pathology , Fatal Outcome , Female , Osteomyelitis/microbiology , Osteomyelitis/pathology , Staphylococcal Infections/microbiology , Staphylococcal Infections/pathology
5.
Vet Q ; 34(1): 11-21, 2014.
Article in English | MEDLINE | ID: mdl-24641357

ABSTRACT

Whereas the treatment of fractures in birds has been a matter of multiple studies and reviews, comparatively little information is available for the treatment of luxations in birds. In this article, we review the current knowledge regarding the frequency, etiology, clinical presentation, diagnosis, and treatment of luxations in birds, aiming to guide the clinician in private practice as well as future research. The type, the localization, and the frequency of luxation do not follow a concrete pattern. In general, pet and aviary birds are more susceptible to leg and spinal luxations while in wild birds wing luxations are more frequently observed. Diagnosis is made on the basis of detailed orthopedic and radiographic examinations. Conservative management and coaptation has been successfully used in carpal, minor elbow, shoulder, coracoid, and metatarsophalangeal luxations. Surgical management is recommended in palatine bone, metacarpophalangeal, severe elbow, coxofemoral, stifle, and intertarsal joint luxations. The techniques, which have been applied, include arthrodesis, femoral head osteotomy, polymer rods, bone plates, and internal and external fixation in various combinations. Currently, there are no controlled studies, which underline the advantages and disadvantages of each technique.


Subject(s)
Bird Diseases/diagnosis , Bird Diseases/therapy , Joint Dislocations/veterinary , Animals , Bird Diseases/epidemiology , Bird Diseases/etiology , Birds , Joint Dislocations/diagnosis , Joint Dislocations/etiology , Joint Dislocations/therapy , Prevalence
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