http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
비고유숙주(非固有宿主)에 있어서 면역억제(免疫抑制)가 돼지회충(蛔蟲)의 감염(感染)에 미치는 영향(影響) III. 마우스에서의 실험소견(實驗所見)
이재구,박배근,장병귀,육심용,Rhee, Jae-ku,Park, Bae-keun,Jang, Beung-gui,Yook, Sim-yong 대한수의학회 1994 大韓獸醫學會誌 Vol.34 No.3
As a series of studies to investigate the effect of immunosuppression on Ascaris suum infection in undefinitive hosts, and a delicate relationship between host and parasite, in the present studies, SPF ICR mice were alloted to experiment 1(normal undefinitive host group) and experiment 2(immunosuppressive group treated with prednisolone acetate) and inoculated with a single dose of 1,100 embryonated A suum eggs. In normal group, the infection essentially terminates 4 days after inoculation(DAI) with the attainment of middle third-stage in the liver, although few larvae migrate to the lungs where a few advance to late third stage. In immunosuppressive group, significant numbers developed to late third-stage in liver 8 DAI. In general, increasing of the mast cells and the goblet cells in the jejunum mucosa, of T-cells in the spleen and of activity of peritoneal macrophages followed by expulsion of the worms in the both groups. Considering a series of the results, suitabilities for the host of the worm appeared the highest from rabbit, hamster and mouse in that order. In addition, patent infection of A suum in the mice was also not obviously observed in spite of immunosuppression by prednisolone acetate.
In Vitro에 의한 제올라이트·요소합제(尿素合劑)의 사료효율(飼料效率) 판정(判定)
이재구,이호일,Rhee, Jae Ku,Lee, Ho Il 대한수의학회 1981 大韓獸醫學會誌 Vol.21 No.2
In order to estimate the efficiency of feed added urea-mixed zeolite the experiment was carried on in vitro. The results obtained were as follows: 1. The pH of all media added urea were inclined toward alkali, except 1% urea (included 99% zeolite) medium. 2. The concentration of ammonia in all media added urea-mixed zeolite was inversely proportional to added volume of zeolite; 1,349, 1,298, 1,255, 1,164 and $786{\mu}g/ml$ in 40%, 20%, 10%, 5% and 1% urea media respectively for 30 minutes incubation, and the concentration of ammonia in all media was increased steadily as incubation time proceeded until 9 hours. 3. The efficiency of adsorption of ammonia to zeolite of the feed added 40% urea mixture (dealing in the feed store) was hardly recognized. Accordingly, it is efficient to utilize the feed added 1~5% urea mixture, but it is of no use practica11y because they need much amount of zeolite.
사료급여후(飼料給與後) 시간경과(時間經過)에 따른 젖소의 제일위내(弟一胃內) 섬모충류(纖毛蟲類)의 동태(動態)
이재구,이호일,이상복,백병걸,Rhee, Jae Ku,Lee, Ho Il,Lee, Sang Bork,Baek, Byeong Kirl 대한수의학회 1979 大韓獸醫學會誌 Vol.19 No.2
Eight Holstein cows weighing 419-673kg with 2 to 10 years of age were allocated into two groups, four animals each, to study the effect of feeding urea and urea plus Zeolite on rumen pH and the population of rumen ciliates. Rumen fluid samples were taken after morning feed for 7 times at one hour intervals. Experimental results obtained were as follows; 1. Rumen pH was gradually dropped from 7.272 to 7.163 by 3.01 hour and from 7.18 to 7.07 by 2.87 hour and reached 7.352 and 7.29 at 7 hour after feeding, respectively on urea and urea plus Zeolite feeding group. 2. Total ciliate numbers decreased from 209,540 to 113,755 by 4.311 hour and from 381,430 to 203.125 by 4.406 hour and gradually increased to 151,030 and 265,230 by 7 hour after feeding, respectively on urea and urea plus Zeolite feeding group. 3. Population of ruminal ciliates was not changed and Entodinium simplex was the major ciliate population for both treatments. It was from 81.21 to 89.12% on urea feeding group and from 84.6 to 88.3% of total number of ciliates on urea plus Zeolite feeding group.
한우(韓牛)의 위내(胃內)에 서식(棲息)하는 섬모충(纖毛蟲)의 동태(動態)
이재구,백병걸,김수명,Rhee, Jae Ku,Baek, Byeong Kirl,Kim, Su Myung 대한수의학회 1975 大韓獸醫學會誌 Vol.15 No.2
In order to observe the kinetic of ciliates inhabited in the stomach, investigation of the content juice in the stomach was carried out on the 30 Korean native cattle, selected as healthy ones and slaughtered at Jeonju abattoir in August, 1974. The following is a brief summary of the leading facts gained through the experiment. 1. The average pH of the content juice showed $6.567{\pm}0.056$(SE) in the rumen, $6.607{\pm}0.053$ in the reticulum, $6.183{\pm}0.056$ in the omasum and $2.627{\pm}0.061$ in the abomasum. 2. The presumed number of ciliates per ml was calculated $168,200{\pm}17,035$(SE) in the rumen, $173,200{\pm}19,728$ in the reticulum, $23.600{\pm}3.537$ in the omasum and $467{\pm}266$ in the abomasum. 3. In the content juice the number of ciliates was gradually slowed down, the pH decreased from rumen to abomasum and the changes were denoted by quadratic curves(parabolas). 4. In accordance with the increase of the number of ciliates the pall also becomes higher and in this situation the correlation coefficient was ${\gamma}_{xy}=0.508$. 5. Population density of ciliates was checked and Entodinium showed 60 per cent among them, but Polyplastron was figured only from 0 to 0.05 per cent. 6. Among 26 species of ciliates which were identified from the content juice, Entodinium simplex was showed the highest population density, raging from 40 to 50 per cent, Dasytricha ruminantium was neat to it, Eudiplodinium affine after the next, and Entodinium caudatum and Eudiplodinium maggi were also found abundantly in the abomasum.
이재구,Rhee, Jae Ku 대한수의학회 1973 大韓獸醫學會誌 Vol.13 No.2
The present experiments proposed to pass judgement upon the suitability as the second intermediate host of Clonorchis sinensis, of three kinds of fresh-water fish by having them infected with the cercaria of Clonorchis sinensis and then observing the penetrating ability of the cercaria, and maturity, the process of degeneration and extinction, and infectivity of the metacercaria of Clonorchis sinensis. The following is a brief summary of the leading facts gained through the experiments; 1. P. parva was easily subject to invasion of the cercaria, A. signifer was much less subject to the invasion, and finally A. asmussi was hard to invade. And the infectivity of the cercariae was in proportion to their penetrating ability mentioned in the above. 2. The examination of the cercariae after having three kinds of fresh-water fish infected with them disclosed that 24 hours after the infection, all of the cercariae formed their cysts in muscle and the metacercariae kept growing, and that 7 days later the metacercariae were found folding their bodies twice, and that in 15 days the characteristic structure of the metacercariae was complete and they made a vigorous rotary movement intermittently. 3. Then the metacercariae came to a state of maturity and beyond this stage some metacercariae in P. parva started the process of degeneration and extinction in 133 days; some in A. asmussi, in 140 days; and A. signifer, in 70 days. As more days elapsed, their degeneration and extinction increased in number, and in 269 days all of them in A. signifer became dead while those in A. asmussi were all dead in 460 days. However almost all of them in P. parva survived even after 770 days. The results shown above revealed that P. parva was the most suitable as the second intermediate host among three kinds of fresh-water fish and that A. signifer and A. asmussi were not quite recommendable as the second intermediate host. The ability of the cercaria to invade fresh-water fish, and life span of the metacercaria within fresh-water fish vary outstandingly according to species of fresh-water fish. An explanation as to the mechanism must wait as the subject to be further pursued.
비고유숙주(非固有宿主)에 있어서 면역억제(免疫抑制)가 돼지회충(蛔蟲)의 감염(感染)에 미치는 영향(影響) II. 햄스터에서의 실험소견(實驗所見)
이재구,김현철,박배근,이창현,Rhee, Jae-ku,Kim, Hyeon-cheol,Park, Bae-keun,Lee, Chang-hyun 대한수의학회 1994 大韓獸醫學會誌 Vol.34 No.1
As a series of studies to investigate the effect of immunosuppression on Ascaris suum infection in undefinitive hosts, a delicate relationship between host and parasite, in the present studies golden hamsters were alloted to experiment 1(normal undefinitive host group) and experiment 2(immunosuppressive group treated with prednisolone acetate) and inoculated with a single dose of 1,500 embryonated Ascaris suum eggs. The recovery rates, sizes and features of the larvae and immunological responses in the hamsters were chronologically monitored according to somatic migration. In both experiments, the larvae failed to develop into the adults, but the more and larger larvae were observed for a longer period from experiment 2 in comparison with experiment 1. The numbers of the mast cells in the small intestinal mucosa and mesenteric lymph nodes, of the goblet cells in the small intestinal mucosa and of T-cells in the mesenteric lymph nodes, spleens and cardiac blood from experiment 2 were fewer than those from the experiment 1. In general, increasing of these cells followed by expulsion of the worms in the both groups. Profound leukopenia due to lymphopenia was found through trial period in experiment 2. Considering the experimental results, development or expulsion mechanism of somatic migrant larvae may be related to lymphopenia and temporary increasing tendency of the mast cells, the goblet cells and T-cells. In addition, patent infection of A suum in the hamsters was not obviously observed in spite of immunosuppression by prednisolone acetate.
이재구,Rhee, Jae Ku The Korean Society of Veterinary Science 1965 大韓獸醫學會誌 Vol.5 No.1
이리지방(裡里地方)의 축견내장(畜犬內臟) 150두분(頭分)을 부검(剖檢)한 결과(結果) 15예(例)(10%)에 있어서 간흡충(肝吸蟲)의 감염(感染)을 그리고 2예(例)(1.3%)에 있어서 묘흡충(猫吸蟲)의 감염(感染)을 보았다. 이 사실(事實)로 미루어보아 우리나라에 있어서 감염견(感染犬)으로 부터 간접적(間接的)으로 사람에게 감염(感染)이 성립(成立)되는 것이 명확(明確)함으로 축견(畜犬)의 감염예방(感染豫防)이나 감염견(感染犬)의 박멸(撲滅)은 예방의학적(豫防醫學的) 견지(見地)에서 중대(重大)한 의의(意義)가 있다.
이재구,Rhee, Jae Ku 대한수의학회 1969 大韓獸醫學會誌 Vol.9 No.1
The present studies were undertaken to determine accurately whether Korean native fresh-water shrimps can serve as the second intermediate host of Clonorchis sinensis. The experimental results obtained were as follows; 1. Metacercaria of Clonorchis sinensis was not discovered in 36 Macrobranchium nipponensis (De Hann), 1992 Palaemon paucidens (De Hann) and Palaemon madestus Heller, and 860 Caridina leucastica Stimpson, collected in Kimhae district, which were digested in artificial gastric juice, using binocular dissecting microscope. 2. Cercariae of the Chinese liver fluke could not approach the body wall of young shrimps due to streaming caused by their motion. 3. Young Palaemon spp. of 247 were divided into two groups and placed in two different room aquariums, one is at high temperature, the other is normal. Then they were contacted with the cercariae. Only 11 degenerated metacercariae were found in 9 Palaemon spp. It was suggested that they had died immediately or within a few days after penetration. Furthermore the temperature did not affect the infective ratio. 4. At the field experimental aquarium, no metacercaria of Clonorchis sinensis was discovered tn 100 Palaemon spp. which had been brought into contact with 5000 Parafossarulus manchouricus two trials. 5. Specific changes in the cercariae mixed with the extract of shrimps meat were not observed through the dissecting microscope. 6. These results suggest that the Korean native shrimps cannot serve as the intermediate host of Clonorchis sinensis.
비고유숙주(非固有宿主)에 있어서 면역억제(免疫抑制)가 돼지 회충(蛔蟲)의 감염(感染)에 미치는 영향(影響) I. 집토끼에서의 실험소견(實驗所見)
이재구,이창현,박배근,이상복,Rhee, Jae-ku,Lee, Chang-hyun,Park, Bae-keun,Lee, Sang-bork 대한수의학회 1993 大韓獸醫學會誌 Vol.33 No.4
As a series of studies to investigate the effect of immunosuppression on Ascaris suum infection in undefinitive hosts, a delicate relationship between host and parasite, rabbits were divided into experiment 1(control group) and experiment 2(immnunosuppressive group treated with prednisolone acetate) and inoculated with a single dose of 5,000 embryonated A suum eggs. The recovery rates, sizes and morphology of the larvae and immunological responses in the rabbits were chronologically monitored according to somatic migration. In both experiments, the larvae failed to develop into the adults, but young adults in the experiment 2 grew somewhat faster and survied later than those in the experiment 1. The mast cells of small intestinal mucosa and mesenteric lymph nodes and the goblet cells of small intestinal mucosa in the worm detected cases of experiment 2 decreased remarkably in number comparing with those of experiment 1. Considering the experimental results. the expulsion mechanism of somatic migrant larvae may he related to the temporary increasing tendency of the mast cells, the goblet cells, T-cells of mesenteric lymph nodes and spleens, eosinophils in peripheral blood, degranulation rates of peritoneal mast cells and the migration inhibition rates of leucocytes. In addition, patent infection of A suum in the rabbits was not obviously observed despite of immunosuppression by prednisolone acetate.