• 한국임상수의학회지
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• 제38권5호
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• pp.244-248
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• 2021

A 10-year-old Thoroughbred mare was referred to the Jeju National University Equine Hospital with roaring, dyspnea, and weight loss. On endoscopic examination, the horse was diagnosed with right arytenoid chondritis. Surgical treatment was selected due to the failure of a previous medical treatment. Permanent tracheostomy was performed in a standing position. The horse was restrained and tied in a proper position in the stock. The cranial parts of the 2nd to 5th tracheal cartilages were resected, as were the associated skin, mucosa, muscle, and cartilages. After the stoma was formed, external mucosa and skin were sutured using a simple interrupted method. The horse was hospitalized for 22 days receiving postoperative care including antibiotics, non-steroidal anti-inflammatory drugs, dressing as required, and was pregnant six months after the surgery. A permanent tracheostomy is thought to be effective in horses with diseases causing upper respiratory tract obstruction.

• 한국임상수의학회지
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• 제38권2호
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• pp.94-97
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• 2021

An 18-year-old warmblood gelding was presented to Jeju National University Equine Hospital with chronic bilateral forelimb lameness. Navicular syndrome was suspected based on clinical findings, the hoof test, palmar digital nerve block, and radiographic results. Computed tomography (CT) was performed under general anesthesia. Bone cysts, enlarged vascular channels, sclerosis, and enthesophytes were identified in the navicular bone on CT images. Mineralization in the deep digital flexor tendon was also observed. CT can be a useful diagnostic tool for identifying lesions of the navicular bone and adjacent structures in horses. The horse was treated with an intra-bursal injection of triamcinolone and gentamicin. Lameness started to improve two days later and the horse was sound after two months of the injection. CT enabled us not only to diagnosis of navicular syndrome but also to determine the degree and extent of the lesions.

• 한국임상수의학회지
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• 제38권1호
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• pp.41-44
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• 2021

Pituitary pars intermedia dysfunction (PPID), often referred to as equine Cushing's disease, is a common endocrine disorder often diagnosed in older horses. A 13-year-old 460 kg Warmblood gelding showed clinical signs suggestive of PPID, including hypertrichosis, fat redistribution, polyuria and polydipsia (PU/PD), and weight loss. Physical examination, complete blood cell count, and serum chemistry results were normal. However, dexamethasone suppression and plasma adrenocorticotropic hormone (ACTH) level tests confirmed PPID. Three months after the confirmed diagnosis, the horse was referred again with symptoms of laminitis. Radiography and venography were performed to evaluate the laminitis severity level. However, the foot condition continued to worsen, and the horse was eventually euthanized. The purpose of this case report is to describe clinical signs and diagnosis of PPID with laminitis.

• Asian-Australasian Journal of Animal Sciences
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• 제19권6호
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• pp.784-788
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• 2006

Microsatellite polymorphism and the genetic relationship were estimated using genotype information of 305 horses from 11 microsatellite loci. The breeds include the indigenous Korean breeds, Korean native horse (102) and Jeju racing horse (56) together with Japan Hokkaido horse (5), Mongolian horse (19), Thoroughbred horse (108), Quarter horse (11) and Przewalskii horse (4). Allelic frequencies, the number of alleles per locus were estimated by direct counting from observed genotype, and genetic variability was computed using the CERVUX software and DISPAN. The number of alleles per locus varied from 6 (HMS6) to 18 (ASB17) with an average value of 10.45 in horse breeds. The expected total heterozygosity ($H_T$) and coefficient of gene differentiation ($G_{ST}$) ranged 0.764-0.921 (the average value was 0.830) and 0.102-0.266 (the average value was 0.180) in horse breeds, respectively. Four populations (Przewalskii horse, Japan Hokkaido horse, Quarter horse, Thoroughbred horse) showed lower heterozygosity than the average value (the average value was 0.710). The expected heterozygosity within breed ($H_S$) and mean no. of observed alleles ranged from $0.636{\pm}0.064$ (Japan Hokkaido horse) to $0.809{\pm}0.019$ (Mongolian horse), and from 2.73 (Przewalskii horse) to 8.27 (Korean native horse), respectively. The polymorphic information content (PIC) ranged from 0.490 (Przewalskii horse) to 0.761 (Mongolian horse) with an average value of 0.637 in horse breeds. The results showed three distinct clusters with high bootstrap support: the Korean native horse cluster (Korean native horse, Mongolian horse), the European cluster (Przewalskii horse, Thoroughbred horse), and other horse cluster (Jeju racing horse, Japan Hokkaido horse, and Quarter horse). A relatively high bootstrap value was observed for the Korean native horse cluster and European cluster (87%), and the Korean native horse and Mongolian horse (82%). Microsatellite polymorphism data were shown to be useful for estimating the genetic relationship between Korean native horse and other horse breeds, and also be applied for parentage testing in those horse breeds.

• 한국식품저장유통학회지
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• 제22권5호
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• pp.644-651
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• 2015

본 연구에서는 소비자들의 이해를 돕고자 건강에 좋은 육류로 알려져 있는 백색육(오리고기, 닭고기)와 말고기의 식품학적 성분을 비교하여 기초자료를 얻고자 하였다. 말고기는 저지방 고단백 저콜레스테롤 육류임을 확인할 수 있었으며, 총 아미노산에 대한 필수 아미노산(어린이)의 비율은 말고기의 등심 부위와 닭고기(가슴살)이 유의적으로 높은 것으로 나타났다. 말고기의 palmitoleic acid의 비율은 오리고기 및 닭고기에 비해 최대 2.6배 가량, linolenic acid의 비율은 최대 4.1배 가량 높은 것으로 나타났으며, 유의적 차이가 인정되었다. 다가불포화지방산(PUFA)의 비율은 말고기가 19.13~21.64%로 오리고기 15.81~16.04%, 닭고기 15.68~15.85%에 비해 유의적으로 높은 것으로 나타났으며, 필수지방산의 비율이 19.08~21.59%로 오리고기 15.71~15.91%, 닭고기 15.50~15.69%보다 유의적으로 높았다. 무기성분 함량은 K, P, Na, Mg, Ca, Zn, Fe의 순이었으며 [백색육(다리살) 제외], 말고기의 Fe 및 Zn의 함량이 백색육(오리고기, 닭고기)에 비해 높은 것으로 나타났다. 이러한 성분 분석결과는 말고기가 닭고기나 오리고기보다 식품영양적 가치가 더 우수함을 보여주었다.

• 현장농수산연구지
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• 제25권4호
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• pp.39-43
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• 2024

Little research has been done on investigating the specific characteristics of Jeju Ponies (Korean native horse) and Jeju Pony crossbreds. The authors performed evaluation of skin thickness of the skin of these breeds (n=205) at Jeju Race Park as a way of find of hippological difference. Results of this study showed that the Jeju Pony's skin were thicker than the Jeju Pony crossbred. The male's skin were thicker than the female's skin in two breeds respectively. Especially, in the Jeju Pony show significant differences (P < 0.05). In Jeju Pony crossbreds, as the skin thickness were thinner with age increase. 2-year-old group's skin significantly thinner than 3 and over 4-year-old groups. However, the Jeju Pony's skin were not significantly different by age. In conclusion, the authors thought that causes of the difference of the breeds were origin and genetic differences among the horse and the pony. Furthermore, the modified umbilical herniorrhaphy with rubber rings must be used cautiously in the Jeju Pony. It should be taken into account the animals' skin thickness when the leather goods created by using their skin.

• 생명과학회지
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• 제17권10호
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• pp.1441-1446
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• 2007

본 연구는 서로 다른 상염색체에 위치하고 있는 초위성체유전 표지를 활용하여 제주마 집단의 타 품종과의 차별적 유전특성분석과 제주마 집단에서 활용할 수 있는 효율적인 개체 식별 시스템 설정을 위해 수행되었다. 공시재료로서는 5품종에서 총 191두가 사용되었으며 13종의 좌위에 대한 개체별 유전자형을 분석하였다. 이들 13종에서 출현된 총 대립 유전자수는 제주마의 경우 155종이 나타났다. 한국 제주마 집단에서 나타난 평균 이형접합도는 0.317-0.902였으며 marker 다형성 정보량은 0.498-0.799로 나타났다. 제주마 집단에서 나타난 대립 유전자 발현 특성은 다른 외래 품종 집단과 매우 상이한 결과를 나타냈다. ATH4 좌위의 경우 제주마 집단에서는 5종의 대립 유전자가 고른 분포를 나타낸 반면 QUA종의 경우와 THO종집단에서 특정 좌위의 극단적 발현 빈도를 나타냈다. 품종특이성을 나타내는 분자표지의 대립유전자 발현양상이 확인되었으며 이러한 품종특이성 발현 분자표지는 집단 내 개체에 대한 품종식별 유전자표지로 활용이 가능한 것으로 나타났다. 9종의 초위성체 유전 표지를 활용할 경우 누적 개체 식별력은 99.9%를 나타냈으며 두 마리의 서로 다른 개체가 서로 같은 유전자형을 가질 짝확률은 $0.60\;{\times}\;10^{10}$으로 추정되었다. 따라서 9종의 선정된 유전표지는 제주마 품종 집단에서 적정 신뢰도를 제공할 수 있는 개체 식별 시스템을 설정할 수 있을 것으로 생각된다.

• 한국식품과학회지
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• 제51권1호
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• pp.1-6
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• 2019

본 연구에서는 제주말과 한라말로부터 추출한 마유와 시중에서 판매되는 동물성 유지인 돈지와 우지의 물리화학적 성질을 조사하였다. 색도 차이를 나타내는 ${\Delta}E$값은 동물성 유지 간에 유의적인 차이를 나타나지 않았으며, 물리적 성상 차이로 인해 $25^{\circ}C$에서 측정된 L값이 $60^{\circ}C$에 비해 감소되었다. 제주마유와 한라마유의 산가는 돈지와 우지에 비하여 높게 측정되었지만, 과산화물가, p-아니시딘가 및 총 산화가는 낮게 측정되었다. 모든 시료에서 미량의 ${\gamma}-tocopherol$이 검출되었으나, 오직 제주마유와 한라마유에서 14.7와 21.4 mg/kg의 ${\alpha}-tocopherol$이 검출되었다. 마유의 주요 지방산으로 palmitic acid ($C_{16:0}$), oleic acid ($C_{18:1}$), linoleic acid ($C_{18:2}$)가 분석되었고, palmitoleic acid ($C_{16:1}$)의 함량은 7.36과 5.22%로 돈지와 우지에 비하여 2-3배 높게 함유한 것으로 나타났다. 제주마유와 한라마유는 흡열곡선 및 발열곡선에서 두 개의 피크가 발견되었으며, 상대적으로 돈지와 우지의 피크보다 낮은 온도에서 발견되었는데 이는 우지보다 높은 함량의 불포화지방산의 조성 비율, 돈지보다 적은 함량의 stearic acid ($C_{18:0}$)에 의한 것으로 보여진다. 따라서 본 연구 결과는 최근 산업적으로 활용도가 높아지고 있는 제주마유와 한라마유의 물리화학적 성질에 대한 기초 자료로 제공되어 향후 연구 수행에 도움을 줄 수 있을 것으로 판단된다.

• 한국임상수의학회지
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• 제34권3호
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• pp.213-217
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• 2017

A 1-year and 8-month-old male, thoroughbred horse showed fever ($39.8^{\circ}C$), cardiac murmur, tachycardia up to 80 beats/min, anorexia, depression and lameness for about 2 months. The dead horse was referred to pathology laboratory at the College of Veterinary Medicine in Jeju National University. At necropsy, Severe protruding multiple rough cauliflower-like yellowish red nodules ranged $5{\sim}6{\times}2{\sim}3cm$ in size were attached on the mitral valve of the left heart. A yellowish red long stick-shaped thrombus $15{\times}3.5{\times}1.5cm$ in size was also present inside the right ventricle. Multifocal infarcts were scattered in the myocardium and renal cortex. Histopathologic examination revealed that morphologic diagnosis were vegetative endocarditis, thrombus in right ventricle, infarcts in myocardium and kidney, pulmonary congestion and edema, and splenic congestion. The isolated bacteria from vegetative lesions and thrombus were confirmed as Escherichia (E.) coli based on the bacterial culture and VITEK 2 system. Based on the gross and histopathologic features, and bacterial test, this case was diagnosed as vegetative endocarditis with thrombus formation associated by E. coli in a thoroughbred horse.

• Journal of Animal Science and Technology
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• 제54권3호
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• pp.227-231
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• 2012

This study was conducted to investigate the effect of a horse riding program on balancing ability in children with cerebral palsy. Eleven children (five males and six females) diagnosed with cerebral palsy participated. The horse riding exercises (walking and trotting) were conducted twice per week for 30 minutes during 24 weeks. Balancing ability was measured three times at pre, mid, and post-test using an air pad by the same physical therapist. The data were analyzed using a two-way repeated-measures analysis of covariance with time (0, 12, and 24 weeks) using SPSS version 18.0. A comparison of horse riding between patients with hemiplegia and paraplegia was conducted with the Willcoxon signed-ranktest at a predetermined probability rate of 5%. The results showed a significant increase in balancing ability after horse riding than that before horse riding (p<0.01). The average balancing score increased greater in males ($54.59{\pm}84.05$) than that in females ($27.84{\pm}12.67$) after the horse riding exercise program compared to that before the program (p < 0.05). Thus, horse riding exercise was considered an effective to improve balance in children with cerebral palsy. These results provide useful basic data for horse riding for the disabled.