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서이원 ( Yee Won Seo ),양홍지 ( Hong Ji Yang ),임채웅 ( Chae Woong Lim ) 한국가축위생학회 1999 韓國家畜衛生學會誌 Vol.21 No.4
A male badger which showed depression and bloody diarrhea was submitted to Iksan Branch of Chonbuk Veterinary Service Laboratory for necropsy on May 1998. Grossly, paleness of the mucous membranes was observed and the small intestinal contents were hamorrhagic. The numerous tiny hookworms, sized in 5-10 mm and greyish-white in color, attached to the intestinal mucosa. Male bursa was well developed. Histologically, intestinal lumen was filled with hemorrhagic contents, which contained worms. The epithelial cells of the villi were underwent degeneration and lamina propria was infiltrated by lymphocytes and plasma cells, and goblet cells were hyperplastic. There were rounded cutting plates in the funnel-shaped buccal capsule and transverse striation on sheath in hookworm, ultrastructurally, which were consistent with Uncinaria sp. The shape of eggs were ellipsoidal and morula, and some eggs contained a mobile larva. It was concluded that this badger was infected with Uncinaria.
육계에서 전염성기관지염, 전염성 F 낭병, 뉴캣슬병 백신투여에 따른 혈중항체가의 변동
고원석 ( Won Seok Koh ),백귀정 ( Kui Jeong Baek ),이정원 ( Jeong Won Lee ),서이원 ( Yee Won Seo ),김태중 ( Tae Joong Kim ),송희종 ( Hee Jong Song ),오언평 ( Un Pyong Oh ) 한국가축위생학회 1999 韓國家畜衛生學會誌 Vol.21 No.3
Serum samples were collected from 100 breeders and their progeny 600 broilers. The breeders and broilers were vaccinated against infectious bronchitis(IB), infectious bursal disease(IBD) and Newcastle disease(ND) viruses according to general vaccination program. The antibodies in serum samples against TB, IBD and ND viruses were detected by ELISA using commercial ELISA kit. Geometric mean titer(GMT) of ELISA was monitored from 1-day-old to 35-day-old broilers and compared to that of breeder chickens. The GMT of ELISA to TB, IBD and ND was declined half level of the day old broiler`s antibody titers at about 4, 9 and 4 days of age. The GMT of ELISA to IB, IBD and ND was declined than that of protective antibody titer at about 12, 11, and 15 days of age. Thereafter, the GMT of ELISA to IB, ND were declined and disappeared according to age of broilers. The GMT of ELISA to IBD was declined according to age of broilers, but at 25 days of age increased and 31 days of age increased than that of protective antibody titer. Taken together, these studies led to conclusion that time-course of antibody titers of broilers from vaccinated breeders and that of progeny broilers which vaccinated according to vaccine program. Those are very important data to design vaccine program to breeders and broilers.
산양의 Anaplasmosis에 대한 역학적 조사 2. Terramycin을 이용한 치료시험
서석열 ( Surk Yul Seo ),서이원 ( Yee Won Seo ),조선기 ( Sun Kee Cho ),허철호 ( Chul Ho Hur ),김동선 ( Dong Sun Kim ),손구례 ( Kyu Re Soon ),백병걸 ( Byeong Kirl Baek ) 한국가축위생학회 1994 韓國家畜衛生學會誌 Vol.17 No.1
Anaplasmosis is a tick-borne disease mainly of cattle, sheep, and goats. Anaplasmosis in goat had been reported at last year by authers. The disease brought the economic losses in the goat farm in Chonbuk province. In order to treat the disease, a long-acting formulation terramycin injectable solution was used experimental animals which indigenous goats were sick with moderate anemia. We were devided into two groups was treated with single dosage(20mg/kg of body weight). one group was treated with single injection, the other group was treated with twice of the same dosage intramusculary injection. The results indicate that the use of long-acting terramycin would minimize clinical signs of anaplasmosis infection in goat. After treament the differrences of hematological appearences and parasitaemia were observed in the effect of terramycin treatment. obviously, increased value of RBC. HB and HCT, and parasitaemia by means of Giemsa staining and acrydine orange staining was observed decreased due to treatment.
백병걸,진찬문,서석열,서이원,김동성,Baek, Byeong-kirl,Jin, Chan-moon,Seo, Surk-yul,Seo, Yee-won,Seo, Dong-sun,Kakoma, Ibulaimu The Korean Society of Veterinary Science 1994 大韓獸醫學會誌 Vol.34 No.2
우리나라에서 사육되고 있는 재래산양과 호주로부터 수입한 산양에서 빈혈, 식욕감퇴, 높은 발병율과 사망율을 나타내는 괴질이 발생하여, 이에 대한 원인을 밝히기 위하여 전자현미경적으로 충체를 관찰하였던 바, 적혈구내 단일막으로 위요되어 있는 기본소체와 이중막으로 둘러싸여 있는 봉입체가 관찰되었기에 이 질병의 병원체를 Anaplasma ovis로서 동정 보고하는 바이다. Evidence is presented for the isolation and characterization of Anaplasma avis in both indigenous (Korean) and exotic goats imported from Australia. These studies were carried out in response to epidemic scenario whereby farmers reported noticing what was described as a mysterious disease characterized by anemia, anorexia, general malaise and a significant morbidity and mortality rate in both types of goat breeds. The syndrome consistent with caprine anaplasmosis was associated with an intraerythrocytic agent occuring in single initial bodies characteristically surrounded by a single-layered membrane whereas the marginal body was typically surrounded by a double-layered membrane. The identity of the etiologic agent was confirmed as Anaplasma avis by light and ultrastructural microscopy.
재래산양과 호주산 산양에서의 Anaplasmosis 발생보고
최병걸,최인혁,박강희,김병수,진찬문,김천현,이우종,서석열,서이원,김동선,Baek, Byeong-kirl,Choi, In-hyuk,Park, Kang-hee,Kim, Byeong-soo,Jin, Chan-moon,Lee, Woo-Jong,Kim, Cheon-hyeon,Seo, Surk-yul,Seo, Yee-won,Kim, Dong-sun 대한수의학회 1993 大韓獸醫學會誌 Vol.33 No.2
Following the death of more than 250 goats in one herd of 800 goats, imported from Australia, an epidemiological investigation was undertaken to determine the probable aetiology of this apprently mysterious disease. The syndrome was characterized by severe anemia(Hematocrit <20% ; normal range 24 to 48). All the affected animals were imported from Australia and all the motalities occurred during the period from September to November, 1992 Giemsa stain, acridine orange and indirect immunoflourescence tests were utilized in a survey involving 239 goats reared in Chonbuk Province. The positivity rates by acridine orange for anaplasmosis or piroplasmosis were 60.8% and 66.2% for imported and indigenous breeds respectively. It is tenatively concluded that the probable cause of death was anaplasmosis.