• Title/Summary/Keyword: mite control

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Immune effects on the somatic antigens against Dermanyssus gallinae and Dermatophagoides pteronyssinus in chicken (진드기 체항원을 이용한 새응애 감염증에 대한 면역효과)

  • Lee, Sam-Sun;Kim, Jae-Won;Jee, Cha-Ho
    • Korean Journal of Veterinary Research
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    • v.42 no.2
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    • pp.253-260
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    • 2002
  • Fowl red mite, Dermanyssus gallinae, is the most important ectoparasite affecting egg layers worldwide. More than 35 compounds have been used for fowl red mite control. Although some of them are efficient, several compounds are unsuitable in terms of food safety and environmental problems. Some compounds are efficient in theory but inadequate in practice. It is also expensive in material and labor to control effectively. Effective doses are very close to toxic doses and repeated treatment is required. Repeated, long term treatment of compounds on fowl red mite populations, may cause heritable resistance against the mites. In this study, antigenicity of fowl red mite and house dust mite, Dermatophagoides pteronyssinus, were identified by SDS-PAGE, silver staining, Western blotting and ELISA to investigate immune effects against fowl red mite using somatic antigens of fowl red mite and house dust mite. By SDS-PAGE, silver staining and Western blotting, several common antigens (110, 60, 56, 49, 46 kDa) of both fowl red mite and house dust mite were recognized. To identify immune effect of somatic antigens of fowl red mite and house dust mite, sixty white leghorn broilers(1 week old) were used. Among sixty white leghorn broilers, twenty were immunized with fowl red mite somatic antigens(Group I), twenty immunized with house dust mite antigens(Group II), and twenty were control group without antigen(Group III), respectively. After immunization, it was identified that antibody titers were increased both in group and II. Then all groups were challenged with fowl red mites. After 2 months, measurements of body weights, packed cell volume(PCV), ELISA OD values and numbers of mites were significant(p<0.05). These results suggest that fowl red mite and house dust mite, which are easy to collect and maintain, can be good vaccine candidates against fowl red mite in chicken.

Immunologic effects of somatic antigens of house dust mite (Dermatophagoides pteronyssinus) against canine sarcoptic mite (Sarcoptes scabiei var. canis) infestation (집먼지진드기 체항원을 이용한 개 옴 감염증에 대한 면역효과)

  • Yoon, In-Soo;Kim, Jae-Won;Jee, Cha-Ho
    • Korean Journal of Veterinary Research
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    • v.43 no.4
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    • pp.689-696
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    • 2003
  • Canine sarcoptic mite (Sarcoptes scabiei var. canis) burrow usually in the stratum corneum of the skin of dogs and rabbits. Antigens from the burrowing mites induce cutaneous inflammatory reaction and humoral and cell-mediated immune response in the host. The effect of immunization induced by somatic antigens of house dust mite (Dermatophagoides spp.) has been evaluated to control the canine sarcoptic mite in this experiment. Twelve common antigens (187, 142, 126, 120, 109, 92, 80, 68, 51, 30, 25, 17 kDa) were found using SDS-PAGE with silver staining and Western blot between canine sarcoptic mite and house dust mite. In order to evaluate the immunologic effect of these common antigens 10 New Zealand white rabbits were divided as 4 groups such as negative control (group I), positive challenged control (group II), vaccinated (group III), and vaccinated-challenged (group IV) groups. Group II was artificially infested with about 1,000 canine sarcoptic mites and group III and IV were immunized with somatic antigens of house dust mite. In addition group IV was artificially infested with about 1,000 canine sarcoptic mites and group II, IV were treated with ivermectin. At the 8 weeks of the vaccination with common antigen, the antibody titers of all groups of II, III and IV had been increased. Both infestation score and live canine sarcoptic mite counts of group IV were lower than group III. Infestation score of group II become 0 by 2 weeks and group IV by 4 weeks after infestation. These results suggest that house dust mite, which is easy to culture in vitro, can be a vaccine candidate for protection of canine sarcoptic mite infestation.

Effect of Asthma Management Education Program on Stress and Compliance of Patients with Allergic Asthma to House Dust Mite

  • Yoo Yang-Sook;Cho Ok-Hee;Kim Eun-Sin;Jeong Hye-Sun
    • Journal of Korean Academy of Nursing
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    • v.35 no.4
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    • pp.686-693
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    • 2005
  • Purpose. This study was designed to examine the effect of asthma management education program applied to allergic asthma patients receiving immunotherapy due to house dust mite on their stress and compliance with health care regimens. Methods. A quasi experimental design with non-equivalent control group and non-synchronized design was used. The subjects of this study were 61 patients who were receiving immunotherapy at intervals of a week after their symptoms were diagnosed as house dust mite allergic asthma at the pulmonary department of a university hospital in Seoul. They were divided into an experimental group of 29 patients who received asthma management education and a control group of 32 patients. The asthma management education pro-gram was composed of group education (once) and reinforcement education (three times) with environmental therapy and immunotherapy to house dust mite. Results. Stress significantly decreased in the experimental group compared to that in the control group. Compliance with health care regimens significantly increased in the experimental group compared to that in the control group. Conclusions. The results suggested that the asthma management education program is effective for the management of stress and the improvement of compliance in patients with allergic asthma to house dust mite.

Studies on the Integrated Control of Citrus Pests I. Bionomics of Citrus Red Mite and Natural Enemies (감귤해충의 종합방제에 관한 연구 I. 귤응애의 생태와 천적에 관하여)

  • Kim H. S.;Moon D. Y.;Llippold P. C.;Chang Y. D.;Park J. S.
    • Korean journal of applied entomology
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    • v.17 no.1 s.34
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    • pp.7-13
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    • 1978
  • Experiments were conducted to study the integrated control of one of the major pests of citrus, the citrus red mite, Panonychus citri (McGregor). Studies were conducted in Seogwipo, Cheju Island, 1973-1976. Results obtained were: 1. The major peak of citrus red mite occurrence was mid-July to mid-August. 2. Standard field populations of citrus red mite were also high in September, October, and November. 3. A total of 10 species of natural enemies of citrus red mite were found. These included; Oligota yasumatusi Kistner, Anystis baccarum L., Hemerobiid sp., Semidalis albate E., Orius sp., Agistemus terminalis Q., 3 species of lady beetles (Coccinellidae), and one unidentified species of predacious mite. 4. Annual occurrence of citrus med mite tended to decrease in unsprayed fields, but increased in fields receiving standard treatments. 5. With fungicides, there was an increase in mite populations associated with use of Bordeaux mixture and copperpowder sprays. Streptomycin, however, did not effect on increase in mite numbers.

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A Survey of House Dust Mite Allergen Contamination in House (일부 주택에서 집먼지 진드기 알러젠 조사)

  • Sohn, Jong-Ryeul;Yoon, Seung-Uk;Kwon, Bo-Ypun
    • Journal of Korean Society for Atmospheric Environment
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    • v.22 no.5
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    • pp.719-723
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    • 2006
  • House dust mite was the most important cause of allergic asthma and rhinitis. More than 70% of Korean children and about 50% of adult with respiratory allergy were sensitive to house dust mite. This experiment was indoor environment in house and house dust mite existence inquiry. From 23rd December 2005 to 28th February 2006, dust samples were collected from the bedclothes by a vacuum cleaner and air sampler And the levels of Der f1 and Der p1 were determined by ELISA((Enzyme-Linked Immunosorbent Assay). The results were as follows : 1 The dust mites allergy contaminations of bedclothes in house were higher than international standards(2000 ng/g). 2. In type of dust mite, the Korean house the almost have the D. farinae other than D. pteronyeeinus of mite. 3. The Der f1 and Der p1 levels per gram of dust from the bedclothes were 2074.99 ng on average, but they did not exist in air. The concentrations of house dust mite were significantly high in the bedclothes. This results suggest that the bedclothes have enough concentrations of dust mites to develop the sensitization. The control of indoor environment should be emphasized to prevent the sensitization by the repeated exposure to dust mite.

Agro-ecosystem Diversity and Integrated Mite Pest Management in Fruit Orchards: A Review and Future Prospect (농업생태계 다양성과 과수원 응애류 해충 종합관리: 이론적 고찰과 미래 전망)

  • Kim, Dong-soon
    • Korean journal of applied entomology
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    • v.60 no.1
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    • pp.49-61
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    • 2021
  • Integrated mite management provided a basic direction to early the fruit tree IPM. The early IPM concept was based on incorporation of the biological control for mite pests with the existing chemical control compatibly. Since then, the hypotheses and mechanisms of the interaction between species diversity and pest population dynamics have provided a broader understanding of mite-centered pest management in fruit tree ecosystems. Based on the principle of the ecosystem, biological control and pest management through habitat modification or manipulation are developing to the concept of agro-ecological engineering. In particular, the natural enemy diversity is dynamically changed according to the different cultivation environment in the management of mite pests, and the species composition of phytophagous mites is also changed by the environment for orchard management. This paper reviews the biological control of mites, which was the basis of apple IPM, and also re-examines the topics of species diversity and pest management, predacious mite diversity in relation to mite control and the change of species composition of mite pests in the sight of ecological engineering. Finally, we suggest a strategy for biological control of spider mites in apple orchards in Korea.

Effect of Asthma Management Educational Program on The Disease Related Knowledge, Stress, and Self-efficacy of Asthmatics Allergic to House Dust Mite (천식관리 교육 프로그램이 집먼지 진드기 알레르기성 천식환자의 질병관련 지식, 스트레스 및 자기효능감에 미치는 효과)

  • Yoo, Yang-Sook;Cho, Ok-Hee;Jung, Hae-Sun
    • Korean Journal of Adult Nursing
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    • v.16 no.4
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    • pp.617-625
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    • 2004
  • Purpose: The purpose of this study was to investigate the effect of the asthma management educational program given to the allergic asthmatics receiving immunotherapy due to house dust mite on the disease related to knowledge, stress, and self-efficacy. Method: The subjects of this study were the patients received immunotherapy to house dust mite at a week interval after being diagnosed for house dust mite allergic asthma at the respiratory center of a hospital affiliated to the university. They were divided into the experimental group of 29 patients who received asthma management education, the control group of 32 patients, and 61 patients in total. Experimental treatment, as an asthma management educational program, was the group education of one time and the reinforcement education of three times with environmental therapy and immunotherapy to house dust mite. Results: The results revealed that the improvement in disease related knowledge, the improvement in self-efficacy and the decrease in stress, were significantly higher in the experimental group than the control group. Conclusions: The asthma management educational program had an effect on improving the disease related knowledge and self-efficacy, and decreasing the stress of the patients asthmatics allergic to house dust mite.

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Control Effect of New Developed Insecticide on Two Spotted Spider Mite (Tetranychus urticae Koch) Collected from Commercial Roses (장미에서 채집된 점박이 응애(Tetranychus urticae Koch)에 대한 신규 살충제의 방제 효과)

  • Park, Hyean-Cheal;Choi, In-Soo;Kang, Jeom-Soo
    • Journal of Life Science
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    • v.13 no.2
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    • pp.150-153
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    • 2003
  • To determine the effect of newly developed insecticide on two spotted spider mite, Tetranychus Urticae, populations, ten leaf discs were sprayed with three different concentrations (0.5%, 1.0%, and 1.5%) of the tested insecticide solution, and with a water-sprayed control. The tested insecticide solution was toxic to adult female and immature of two spotted spider mite, but was relatively non-toxic to eggs. For equivalent concentrations, more adult females were killed than immature stages. There was no marked difference between the hatch of treated and untreated eggs, although a weak trend between the numbers of unhatched eggs and the insecticide concentration after 7 days is shown.

Damage of broad mite, Polyphagotarsonemus latus (Banks), on pepper growth and yield and its chemical control (차먼지응애(Polyphagotarsonemus latus)가 고추의 생육과 수확에 미치는 피해 및 화학적 방제)

  • 조명래;전흥영;라승영;김동순;임명순
    • Korean journal of applied entomology
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    • v.35 no.4
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    • pp.326-331
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    • 1996
  • To evaluate the damage of broad mite, Polyphagotarsonemus latus (Banks), on pepper growth and yield, broad mite females were infested on pepper seedlings. In plots infested with 1, 2, and 5 females/plant, pepper growth was significantly reduced after 10 weeks with growth rates of 264, 256, and 177%, respectively, while that of control plot was 337%. Total pepper yields in the plots infested with 1, 2, and 5 females/plant were 443.9, 230. 5, and 103.4 kg/lOa, respectively, which were significantly lower than 1, 197.5 kg/lOa of the control plot. Dicofol EC, Chinomethionat WP, Pyridaben WP, and Pyraclofos WP were effective in controlling the broad mite on pepper showing over 90% mortality by 17 days after application. Although the updated reports on the nationwide occurrence of the broad mite damage on pepper showed that most damages were occurring in greenhouses between October and March, damages were observed in late May in certain locality.

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Antigenetic effects of the eluted proteins from house dust mite (Dermatophagoides pteronyssinus) in dogs infested with sarcoptic mite (Sarcoptes scabiei var. canis) (집먼지진드기에서 분리한 용출단백질의 개옴진드기 감염증에 대한 항원효과)

  • Kim, Tae-Hun;Kim, Jae-Won;Jee, Cha-Ho
    • Korean Journal of Veterinary Research
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    • v.45 no.1
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    • pp.105-111
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    • 2005
  • Canine sarcoptic mite (Sarcoptes scabiei var. canis) is ectoparasite which burrow usually in the stratum corneum of the skin of dogs. Antigens from the burrowing mites induce humoral and cellmediated immune responses in the hosts. The effect of antigenecity induced by somatic antigens of house dust mite (Dermatophagoides pteronyssinus) isolated by continuous elution has been evaluated in canine sarcoptic mites infestation. Continuous elution was carried out in 7.5% SDS-PAGE to isolate proteins of common antigens from somatic antigens of house dust mite. These eluted proteins from somatic antigens of house dust mite were confirmed by Western blotting in 7.5% SDS-PAGE, and eluted proteins (65, 60 kDa) were isolated. To evaluate the antigenetic effect of eluted proteins, eight dogs were divided as 4 groups such as non-vaccinated and non-challenged control (Group I), challenged control (Group II), vaccinated (Group III), and vaccinatedandchallenged (Group IV) groups. Group II and IV were artificially infested canine sarcoptic mites. Group III and IV were immunized with eluted proteins (65, 60 kDa). At the 6th week of the vaccination, the antibody titers of Group of IV were statistically significant higher than those of Group II (p<0.05). And antibody titers of Group III were also statistically significant higher than those of Group I (p<0.05). From these result, it is possible to replace somatic antigens of canine sarcoptic mites with eluted proteins from somatic antigens of house dust mites in order to diagnose and prevent the canine sarcoptic mite infestations.