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Результаты 291-300 из 418
Trichophyton mentagrophytes infection in an African lion cub (Panthera leo) and transmission to a zookeeper
2015
Kim, K.T., Animal Health Center, Zoo Land, Daejeon O-World Theme Park, Daejeon, Republic of Korea | Lee, S.H., College of Veterinary Medicine, Kyungpook National University, Daegu, Republic of Korea | Kwak, D., College of Veterinary Medicine, Kyungpook National University, Daegu, Republic of Korea
Dermatophytosis was found on the right front leg of a 4-month-old female African lion cub (Panthera leo) kept at a zoo with locally marginal alopecia. For diagnosis, culturing on sabouraud dextrose agar was performed and skin scrapings from the lesion were analyzed. The ones from the culture and skin scrapings were identified as Trichophyton mentagrophytes. A zookeeper that had been in contacted with the lion for artificial rearing developed skin lesions with well-defined erythematous plaques on the right arm about 1 month after the lesion in the lion was observed. The ringworm was probably transmitted from the lion through continuous contact.
Показать больше [+] Меньше [-]A case of malignant dysgerminoma in a slaughtered dairy cow
2015
Jung, J.Y., Division of Animal Disease Diagnosis, Animal and Plant Quarantine Agency, Anyang, Republic of Korea | Her, J.W., Division of Animal Disease Diagnosis, Animal and Plant Quarantine Agency, Anyang, Republic of Korea | Jeong, Y.J., Division of Animal Disease Diagnosis, Animal and Plant Quarantine Agency, Anyang, Republic of Korea | Ku, K.N., Gyeonggi-do Veterinary Service, Suwon, Republic of Korea | Choi, K.R., Gyeonggi-do Veterinary Service, Suwon, Republic of Korea | So, B.J., Division of Animal Disease Diagnosis, Animal and Plant Quarantine Agency, Anyang, Republic of Korea | Yoon, S.S., Division of Animal Disease Diagnosis, Animal and Plant Quarantine Agency, Anyang, Republic of Korea
An abnormally enlarged right ovary and a mass in fat surrounding the right kidney were discovered in a dairy cow during routine postmortem examination at slaughter. The ovary was dark reddish and multinodular in shape. Numerous cystic structures were identified in the mass. Histopathologically, the ovary was completely replaced with large, uniform, polyhedral neoplastic cells containing vesicular nuclei and prominent nucleoli. The mitotic index was high. In the lymphatic vessels, tumor emboli were observed. Another mass in the fat surranding the right kidney had the same histological features as the ovarian mass. This animal was diagnosed with malignant dysgerminoma and metastasis to other peritoneal organs.
Показать больше [+] Меньше [-]Evaluation of conservation of endangered species through somatic cell nuclear technology
2015
Hyun, S.H., Sooam Biotech Research Foundation, Seoul, Republic of Korea | Jeong, Y.W., Sooam Biotech Research Foundation, Seoul, Republic of Korea | Hwang, K.C., Sooam Biotech Research Foundation, Seoul, Republic of Korea | Lee, G.J., Technology Strategy Planning Office, Seoul, Republic of Korea | Yang, I.S., Sooam Biotech Research Foundation, Seoul, Republic of Korea
The number of wild animal species is gradually decreasing due to poaching, hunting and habitat loss. While several endangered animal species have been successfully preserved at the zoo, assisted reproductive technology (ART) must be applied to restore wild animals. In the case of critically endangered animals, somatic cell cloning is considered the most appropriate method of ART. Somatic cell cloning can be beneficial for the reproduction of endangered species with limited female populations. However, gene and cell banks, and understanding of reproductive physiology and optimization of ART for wild animals are urgently required for further activation of artificial reproduction of endangered species, which enlarges its application and maintains biodiversity. Care should also be taken to consider ethical and legal issues associated with somatic cell cloning for conservation of endangered animals.
Показать больше [+] Меньше [-]Hypertrophic cardiomyopathy secondary to severe right and left ventricular outflow tract obstruction in a Maltese dog
2015
Yoon, W.K., Guardian Angel Animal Hospital, Anyang, Republic of Korea | Suh, S.I., Section of Small Animal Internal Medicine, Kangwon National University, Chuncheon, Republic of Korea | Oh, Y.S., Department of Veterinary Pathology, College of Veterinary Medicine, Kangwon National University, Chuncheon, Republic of Korea | Hyun, C., Section of Small Animal Internal Medicine, Kangwon National University, Chuncheon, Republic of Korea
An 8-year-old spayed female Maltese (2.5 kg of body weight) presented with the primary complaint of loud heart murmur and exercise intolerance. Diagnostic imaging revealed severe pulmonic stenosis (peak velocity 5.2 m/ s) with right ventricular hypertrophy. The dog revisited after 2 years, at which time, diagnostic imaging revealed severe biventricular hypertrophy, dynamic left ventricular outflow tract obstruction, left atrial dilation and pulmonary hypertension with worsened pre-existing pulmonic stenosis. Postmortem investigation revealed hypertrophic cardiomyopathy and regional myocardial infarction. The case was diagnosed as hypertrophic cardiomyopathy secondary to severe right and left ventricular outflow tract obstruction.
Показать больше [+] Меньше [-]Atropine-induced atrial bigeminy during general anesthesia in a Cocker Spaniel dog
2015
Suh, S.I., Dasom Animal Medical Center, Busan, Republic of Korea | Kim, S.E., Dasom Animal Medical Center, Busan, Republic of Korea | Choi, R., Dasom Animal Medical Center, Busan, Republic of Korea | Hyun, C., Section of Small Animal Internal Medicine, College of Veterinary Medicine, Kangwon National University, Chuncheon, Republic of Korea
A 12-year-old female Cocker Spaniel (7.5 kg of body weight) was presented for resection of a mammary gland tumor. During surgery, the heart rate was remarkably decreased due to a second-degree type I atrioventricular block. Atropine (0.05 mg/kg) was administered to increase the heart rate. Although the heart rate was elevated, atrial bigeminy occurred and persisted until the dog fully recovered from general anesthesia. These results highlight the possibility of atrial bigeminy caused by atropine administration during anesthesia.
Показать больше [+] Меньше [-]Development of inactivated Akabane and bovine ephemeral fever vaccine for cattle
2015
Yang, D.K., Viral disease division, Animal and Plant Quarantine Agency, Anyang, Republic of Korea | Kim, H.H., Viral disease division, Animal and Plant Quarantine Agency, Anyang, Republic of Korea | Jo, H.Y., Viral disease division, Animal and Plant Quarantine Agency, Anyang, Republic of Korea | Choi, S.S., Viral disease division, Animal and Plant Quarantine Agency, Anyang, Republic of Korea | Cho, I.S., Viral disease division, Animal and Plant Quarantine Agency, Anyang, Republic of Korea
Akabane and bovine ephemeral fever (BEF) viruses cause vector - borne diseases. In this study, inactivated Akabane virus (AKAV)+Bovine ephemeral fever virus (BEFV) vaccines with or without recombinant vibrio flagellin (revibFlaB) protein were expressed in a baculovirus expression system to measure their safety and immunogenicity. Blood was collected from mice, guinea pigs, sows, and cattle that had been inoculated with the vaccine twice. Inactivated AKAV+BEFV vaccine induced high virus neutralizing antibody (VNA) titer against AKAV and BEFV in mice and guinea pigs. VNA titers against AKAV were higher in mice and guinea pigs immunized with the inactivated AKAV+ BEFV vaccine than in animals inoculated with vaccine containing revibFlaB protein. Inactivated AKAV+BEFV vaccine elicited slightly higher VNA titers against AKAV and BEFV than the live AKAV and live BEFV vaccines in mice and guinea pigs. In addition, the inactivated AKAV+BEFV vaccine was safe, and induced high VNA titers, ranging from 1 : 64 to 1 : 512, against both AKAV and BEFV in sows and cattle. Moreover, there were no side effects observed in any treated animals. These results indicate that the inactivated AKAV+BEFV vaccine could be used in cattle with high immunogenicity and good safety.
Показать больше [+] Меньше [-]Establishment of a live vaccine strain against fowl typhoid and paratyphoid
2015
Cho, S.H., BioPOA Co., Yongin, Republic of Korea | Ahn, Y.J., BioPOA Co., Yongin, Republic of Korea | Kim, T.E., BioPOA Co., Yongin, Republic of Korea | Kim, S.J., BioPOA Co., Yongin, Republic of Korea | Huh, W., Daesung Microbiological Lab. Co., Euiwang, Republic of Korea | Moon, Y.S., Daesung Microbiological Lab. Co., Euiwang, Republic of Korea | Lee, B.H., Daesung Microbiological Lab. Co., Euiwang, Republic of Korea | Kim, J.H., Laboratories of Avian Diseases, College of Veterinary Medicine, Seoul National University, Seoul, Republic of Korea | Kwon, H.J., Laboratories of Poultry Production Medicine, College of Veterinary Medicine, Seoul National University, Seoul, Republic of Korea
To develop a live vaccine strain against fowl typhoid and paratyphoid caused by Salmonella serovar Gallinarum biovar Gallinarum (Salmonella Gallinarum) and Salmonella serovar Enteritidis (Salmonella Enteritidis), respectively, several nalidixic acid resistant mutants were selected from lipopolysaccharide (LPS) rough strains of Salmonella Gallinarum that escaped from fatal infection of a LPS - binding lytic bacteriophage. A non - virulent and immunogenic vaccine strain of Salmonella Gallinarum, SR2 - N6, was established through in vivo pathogenicity and protection efficacy tests. SR2 - N6 was highly protective against Salmonella Gallinarum and Salmonella Enteritidis and safer than Salmonella Gallinarum vaccine strain SG 9R in the condition of protein-energy malnutrition. Thus, SR2 - N6 may be a safe and efficacious vaccine strain to prevent both fowl typhoid and paratyphoid.
Показать больше [+] Меньше [-]Therapeutic effect of oregano essential oil on subclinical bovine mastitis caused by Staphylococcus aureus and Escherichia coli
2015
Cho, B.W., Department of Animal Science, College of Life Sciences, Pusan National University, Miryang, Republic of Korea | Cha, C.N., Engineering Research Institute and Department of Industrial Systems Engineering, College of Veterinary Medicine, Gyeongsang National University, Jinju, Republic of Korea | Lee, S.M., Department of Environmental Health, Graduate School of Public Health, College of Veterinary Medicine, Gyeongsang National University, Jinju, Republic of Korea | Kim, M.J., Department of Environmental Health, Graduate School of Public Health, College of Veterinary Medicine, Gyeongsang National University, Jinju, Republic of Korea | Park, J.Y., Department of Environmental Health, Graduate School of Public Health, College of Veterinary Medicine, Gyeongsang National University, Jinju, Republic of Korea | Yoo, C.Y., Department of Computer Information, Gyeongnam Provincial Namhae College, Namhae, Republic of Korea | Son, S.E., Research Institute of Life Sciences, College of Veterinary Medicine, Gyeongsang National University, Jinju, Republic of Korea | Kim, S., Research Institute of Life Sciences, College of Veterinary Medicine, Gyeongsang National University, Jinju, Republic of Korea | Lee, H.J., Department of Environmental Health, Graduate School of Public Health, College of Veterinary Medicine, Gyeongsang National University, Jinju, Republic of Korea
Oregano (Origanum vulgare) is an aromatic herb belonging to the Lamiaceae family. This study evaluated the therapeutic effect of oregano essential oil (OEO) on clinical bovine mastitis caused by Staphylococcus (S.) aureus and / or Escherichia (E.) coli. Thirty - two quarters from 18 lactating cows with subclinical mastitis were selected from a dairy farm and were divided into 4 groups (8 quarters / group): negative control (CON), positive control (GEN) and two OEO-treated groups (OEO-1 and OEO-2). Each group was intramammarily treated with saline, 10 g/tube of gentamicin ointment, and single and double doses of 0.9 mL OEO ointment twice a day for three days, respectively. After the treatments, physical udder conditions were greatly improved in GEN and OEO groups. In CON group, somatic cell counts (SCCs), number of white blood cells (WBC) and bacteria were increased. However, in OEO groups, SCCs and number of WBC were significantly decreased and S. aureus and E. coli were not detected in milk as compared with those before the treatments as well as GEN group. These results suggest that OEO may be a useful alternative to antibiotics for the control of subclinical bovine mastitis caused by S. aureus and/or E. coli.
Показать больше [+] Меньше [-]Effect of ascorbic acid on storage of Greyhound erythrocytes
2015
Fontes, Jorge A. | Banerjee, Uddyalok | lazbik, Cristina | Marin, Liliana M. | Couto, C. Guillermo | Palmer, Andre F.
OBJECTIVE To assess changes in biochemical and biophysical properties of canine RBCs during cold (1° to 6°C) storage in a licensed RBC additive solution (the RBC preservation solution designated AS-1) supplemented with ascorbic acid. SAMPLE Blood samples from 7 neutered male Greyhounds; all dogs had negative results when tested for dog erythrocyte antigen 1.1. PROCEDURES Blood was collected into citrate-phosphate-dextrose and stored in AS-1. Stored RBCs were supplemented with 7.1mM ascorbic acid or with saline (0.9% NaCl) solution (control samples). Several biochemical and biophysical properties of RBCs were measured, including percentage hemolysis, oxygen-hemoglobin equilibrium, and the kinetic rate constants for O2 dissociation, carbon monoxide association, and nitric oxide dioxygenation. RESULTS Greyhound RBCs stored in AS-1 supplemented with ascorbic acid did not have significantly decreased hemolysis, compared with results for the control samples, during the storage period. CONCLUSIONS AND CLINICAL RELEVANCE In this study, ascorbic acid did not reduce hemolysis during storage. Several changes in stored canine RBCs were identified as part of the hypothermic storage lesion.
Показать больше [+] Меньше [-]Measurement of intraocular pressure in healthy unanesthetized inland bearded dragons (Pogona vitticeps)
2015
Schuster, Eva J. | Strueve, Julia | Fehr, Michael J. | Mathes, Karina A.
OBJECTIVE To evaluate the use of rebound and applanation tonometry for the measurement of intraocular pressure (IOP) and to assess diurnal variations in and the effect of topical anesthesia on the IOP of healthy inland bearded dragons (Pogona vitticeps). ANIMALS 56 bearded dragons from 4 months to 11 years old. PROCEDURES For each animal following an initial ophthalmic examination, 3 IOP measurements were obtained on each eye between 9 AM and 10 AM, 1 PM and 2 PM, and 5 PM and 7 PM by use of rebound and applanation tonometry. An additional measurement was obtained by rebound tonometry for each eye in the evening following the application of a topical anesthetic to evaluate changes in the tolerance of the animals to the tonometer. Descriptive data were generated, and the effects of sex, time of day, and topical anesthesia on IOP were evaluated. RESULTS Bearded dragons did not tolerate applanation tonometry even following topical anesthesia. Median daily IOP as determined by rebound tonometry was 6.16 mm Hg (95% confidence interval, 5.61 to 6.44 mm Hg). The IOP did not differ significantly between the right and left eyes. The IOP was highest in the morning, which indicated that the IOP in this species undergoes diurnal variations. Topical anesthesia did not significantly affect IOP, but it did improve the compliance for all subjects. CONCLUSIONS AND CLINICAL RELEVANCE Results indicated that rebound tonometry, but not applanation tonometry, was appropriate for measurement of IOP in bearded dragons. These findings provided preliminary guidelines for IOP measurement and ophthalmic evaluation in bearded dragons.
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