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양홍지,서창섭,윤여백,박태옥,최은영,김윤태,Yang Hong-Ji,Seo Chang-Sub,Yoon Yea-Baek,Park Tae-Wook,Choi Eun-Young,Kim Youn-Tae 대한수의사회 1994 대한수의사회지 Vol.30 No.11
In order to monitor the parasites, fecal samples were taken from chicken (n=1,000), turkey(n=157), helmeted guineafowl(n=149), pheasant(n=190) and duck(n=190) in Chonbuk area. The identification of the parasites were determined by the fecal examination us
양홍지 ( Hong Ji Yang ),윤여백 ( Yea Baek Yoon ),이흥재 ( Heung Jae Yi ),최인방 ( In Bang Choi ),박태욱 ( Tae Wook Park ),서창섭 ( Chang Sub Seo ) 한국가축위생학회 1992 韓國家畜衛生學會誌 Vol.15 No.1
In order to detection of the intestinal parasites, 503 fecal samples were taken from mongorel-and pad-dogs in Chonbuk province. The prevalence and identification of intestinal parasites were determined by the fecal examinations using the floatation and /or sedimentation methods and microscopical examination, respectively. The results were obtained as follows; 1. Fifty-nine percent(297 dogs) from 503 fecal samples were detected eggs. In seasonal detection rate of eggs, summer was 30.3%, Autumn 26.4%, Winter 22.3% and Spring 21.0%, in order. 2. A total of 20 kinds of eggs were isolated from feces, and it was identified 75.7% as Nematoda(320 dogs), 5.6% as Cestoda(24 dogs) and 1.4% as Trematoda(6 dogs), and 17.2% as Protozoa(73 dogs). The isolates were identified as Ancylostoma caninum(30.4%, 153 dogs), Isospora spp.(14.3%, 72 dogs), Toxocara canis(11.1%, 56 dogs), Toxascaris leonina(5.8%, 29 dogs), Uncinerza stenocephala or Physaloptera spp.(5.4%, 27 dogs), Trichuris vulpis(2.4%, 12 dogs) and the others, single or in combination. 3. In mixed infection such as single, double, triple and quadraple was 63.6%, 31.7%, 3.4% and 1.3%, respectively.
양홍지 ( Hong Ji Yang ),윤여백 ( Yea Baek Yoon ),박태욱 ( Tae Wook Park ),김성훈 ( Seong Hun Kim ),최은영 ( Eun Young Choi ),서창섭 ( Chang Sub Seo ) 한국가축위생학회 1993 韓國家畜衛生學會誌 Vol.16 No.1
In order to detection of the intestinal parasites, fecal samples were taken from broiler(n=262), laying hen(n=244), parent stock(n=207) and native stock(n=287) in Chonbuk province. The prevalence and identification of intestinal parasites were determined by the fecal examination using the floatation and/or sedimentation methods and microscopical examination, respectively. The results were obtained as follows: 1. The detection rate of parasite-eggs from 4 flocks(total=1,000) was 65.7%. 2. In the breed and type of breeding, infection rate of parasite-eggs was detected 84.0% as native stock(floor breeding, 241 chicken), 79.7% as parent stock(floor breeding, 165 chickens), 73.3% as broiler(floor breeding, 192 chicken) and 24.2% as laying hen(cage breeding, 59 chicken), in order. 3. In the concern of mixed infection such as single, double and triple, the rate was 55.1%, 8.7% and 1.9%, respectively. 4. Ten kinds of infective eggs were isolated from 657 fecal sample of 4 flock. They were classified 51.1% as Eimeria spp., 12.7% as Ascaridia galli, 5.1% as Capillaria spp., 4.1% as Strongyloides avium, 2.3% as Heterakis gallinarum, 0.5% as Hymenolepis spp., 0.3% as Railleina spp. and 0.2% as Syngamus spp., Trichostrongilus spp., or Choanoteania spp., single or in combination.
노영선 ( Young Sun Roh ),윤여백 ( Yea Baek Yoon ),김영진 ( Yong Jin Kim ),이성희 ( Seong Hee Rhee ),레브코로지스키 ( Lev Kolodzieyski ),임병무 ( Byung Moo Rim ),임채웅 ( Chae Woong Lim ) 한국가축위생학회 2001 韓國家畜衛生學會誌 Vol.24 No.2
To examine the prevalence and types of kidney lesions In Korean cattle, a survey was carried out at a abattoir in September 2000 and January 2001. The collected kidneys were examined grossly and histopathologically and investigated for the patterns of renal diseases with considering season and sex. Of 735 cattle (99 bulls and 246 cows in September and 140 bulls, 3 steers, and 247 cows in January) surveyed, 301 (41%) cattle had various renal lesions. The most common prominent finding was focal or multiple interstitial nephritis (36.2%). Other lesions included focal or multiple renal cyst (9.1%), infarction <0.1%), hemorrhage (0.3%), and renal atrophy (0.3%). Microscopically, main pathological lesions were acute or chronic interstitial nephritis with moderate infiltration of neutrophil or lymphocyte, respectively. Finally, the kidney lesions are more or less correlated with the meat quality, especially in female Korean cattle.
양홍지 ( Hong Ji Yang ),윤여백 ( Yea Baek Yoon ),박태욱 ( Tae Wook Park ),박용석 ( Yong Seok Park ),서창섭 ( Chang Wub Seo ),임병무 ( Byung Moo Rim ) 한국가축위생학회 1992 韓國家畜衛生學會誌 Vol.15 No.2
Fecal Examination for survey of natural prevalence of Balantidium coli was performed on 1,080 healthy bred pigs in Korea, and the positive rate was 56.2%. In order to observe if Balantidium coli might be a secondary invader after certain initiation of the intestinal lesions, the piglet groups preinfected with the protozoa experimentally were treated with salmonella cholerasuis, Trichuris, cold stress, HC1, and immunosuppressive drug respectively, but no relatios was found between them. Also the protozoa were not deteceted from the intestinal lesions spontaneously formed of 107 pigs which were checked in the slaughter house. According to the above results, Balantidium coli is not directly associated with the formation of any lesions in the pig`s intestine.
양홍지 ( Hong Ji Yang ),박태욱 ( Tae Wook Park ),천상진 ( Sang Jin Cheon ),윤여백 ( Yea Baek Yoon ),김남주 ( Nam Ju Kim ),박배근 ( Bae Keun Park ),김종승 ( Chong Sung Kim ) 한국가축위생학회 1995 韓國家畜衛生學會誌 Vol.18 No.1
As a series of basic study for the prevention of zoonotic parasites, fecal samples and internal organs of cats in Iri and its vicinity were examined for helminth and their ova or protozoan oocysts from November 1994 to March 1995. The results obtained were summarized as follows; Out of the 133 samples, 101(75.9%) were positive and 135(101.5%) were cumulative positive for parasites. The following were identified in the samples and positive numbers of each species detected were; Toxocara cati, 51;Isospora spp., 27;Spirometra erinacei, 26;Taenia taeniaeformis, 24;Diphyllobothrium latum, 4;and Capillaria spp., 3, respectively. In analyzing the state of infection, 64.9%(61 heads) of all the cats inspected had a single infection, while the rest(excluding the 32 uninfected cats) had mixed infections: 27.6%(26 heads), 6.4%(6 heads) and 1.1%(1 heads) had double, triple, quadruple infections, respectively. From these results, it can be concluded that since the helminth, zoonotic parasites, in Korean autochthonal cats cause not only various disorders, but also can be very harmful to human beings, they are considered to be of great significance to public health.
김용길 ( Yong Gil Kim ),이후식 ( Hoo Sik Lee ),양홍지 ( Hong Chi Yang ),윤여백 ( Yea Baek Yoon ) 한국가축위생학회 1990 韓國家畜衛生學會誌 Vol.13 No.1
To investigate the swine parasitic infection rate, we performed centrifugal floatation method and sedimentation method between Jan. 1989. and Dec. 1989. This results are shown as follows. 1. The numbers of infection were 593 pigs in 1080, shown 54.9% of infection rate. 2. In this survey, eight species of swine parasite were detected. The percentage of Balantidium coli was 44.5, revealed hightest level. There were 14.5% in Ascaris suum and 11.8% in Oesophagostomum SP respectively. 3. In this survey, there was high rate(86.0%) of parasitic infection in the pig raised at sawdust fermantation house. This results suggest that pig maybe liable to infect parasite.
CMT 양성 유즙에서 유방염 원인균 분리 및 분리균의 항균제 감수성
이정원 ( Jeong Won Lee ),김추철 ( Chu Cheul Kim ),윤여백 ( Yea Baek Yoon ),송희종 ( Hee Jong Song ),최인방 ( In Bang Choi ) 한국가축위생학회 1997 韓國家畜衛生學會誌 Vol.20 No.2
This study was carried out to isolate of causative agents from CMT-positive and mean somatic cell count(SCC) >=500,000 cells/ml mastitic milk, and evaluate to antimicrobial susceptibility of isolates in Iksan branch area from January to November, 1996. 1. The CMT-positivity(SCC 500,000 cells/ml) of 610 heads was 36.2%(221), and of 2,373 quarter milks was 16.1%(383). 2. The Gram-positive isolates were 153 strains which was Staphylococcus sp(115), Micrococcus sp(18), Streptococcus sp(10), Listeria monocytogenes(5) and Enterococcus faecalis(5). 3. The Gram-negative isolates were 66 strains including E coli(14), Yersinia sp(13), Shigella sp(8), Enterobacillus sp(8), Cedecea sp(5), Pseudomonas aeruginosa(5), Proteus sp(5), Klebsiella sp(4), Salmonella sp(2), Kluyvera ascorbata(1) and Tatumella Ptyseos(1). 4. The Gram positive strains of isolates were moderately susceptible to T/s, Cp, Pd, Imp, Aug, Rif, Cft and Va. And the Gram negative strains of isolates were moderately susceptible to T/s, Cp, Imp, Pi and Ti, in order.5. Multiple antimicrobial resistant patterns were encountered 62 and 36 from Gram positive and negative isolates, respectively.
가금(칠면조, 오리, 호로새, 꿩)의 장내 기생충 감염상황
양홍지 ( Hong Ji Yang ),서창섭 ( Chang Sub Seo ),윤여백 ( Yea Baek Yoon ),박태욱 ( Tae Wook Park ),김성훈 ( Seong Hun Kim ),최은영 ( Eun Young Choi ),안응엽 ( Euing Youb An ),장세군 ( Se Goon Jang ) 한국가축위생학회 1993 韓國家畜衛生學會誌 Vol.16 No.2
In order to monitor the parasites, fecal samples were taken from turkey(n=157), helmeted guineafowl(n=149), pheasant(n=190) and duck(n=190) in Chonbuk province. The identification of the parasites were determined by the fecal examination using the fluatation method and microscopical examination. The results were obtained as follows: 1. The detection rate of the parasites from 4 species of poutry was 47.2%(n=324 heads) out of 686 heads. 2. The identification rate was 85.9% in helmeted guineafowl, 63.2% in pheasant, 44.6% in turkey and 3.2% in duck, in order. 3. The mixed infection rate such as single, double, triple and quadrupl was 25.4%(174 heads), 14.1%(97 heads), 7.3%(50 heads) and 0.4%(3 heads), respectively. 4. The parasites isolated were identified as Capillaria spp. in 225 heads, Eimeria spp in 169 heads, Heterakis gallinarum in 116 heads, Ascaridia galli in 16 heads, Hymenolepis spp. in 3 heads and Strongyloides avium in 1 head, in order.
양홍지 ( Hong Ji Yang ),서창섭 ( Chang Sub Seo ),윤여백 ( Yea Baek Yoon ),박태욱 ( Tae Wook Park ),최은영 ( Eun Young Choi ),김성훈 ( Seong Hun Kim ) 한국가축위생학회 1994 韓國家畜衛生學會誌 Vol.17 No.1
In order to investigate the internal parasitic infection, fecal samples were collected from weaning pig(n=l23), porker(n=418) and sow(n=121) in 49 sawdust fermentative pigsty of Chonbuk district. The prevalence and identification of internal parasites were determined by the fecal examination using the floatation and/or sedimentation methods and microscopical examination, respectively. The results were obtained as follows; 1. The detection rate of parasite-eggs from 662 fecal samples was 86.6%. 2. The infection rate of parasite-egg 96.4% in porker, 76.9% in sow, 62.6% in weaning pig, in order. 3. In the concern of mixed infection such as single, double triple and quadraple, the rate was 42.3%, 28.7%, 12.2% and 3.3%, respectively. 4. Ten kinds of the detected eggs were isolated from 662 fecal samples. They were classified as Balantidium coli(63.6%), Trichuris suis(24.8%), isospora spp.(23.5%), Oesophangostomum spp.(17.8%), Ascaris suum(11.8%), Hyostrongylus rubidus(2.8%), Strongyloides spp.(1.7%), Gnathostoma spp.(1.5%), Stephanurus dentatus(1.3%) and Metastrongylus spp.(0.7%), in order.