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Journal articles on the topic 'Infestation risk'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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1

Zhao, Jingzheng, Mingchang Wang, Dong Cai, et al. "Spatiotemporal Changes of Pine Caterpillar Infestation Risk and the Driving Effect of Habitat Factors in Northeast China." Remote Sensing 17, no. 10 (2025): 1738. https://doi.org/10.3390/rs17101738.

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Pine caterpillar (Dendrolimus) infestations threaten pine forests, causing severe ecological and economic impacts. Identifying the driving factors behind these infestations is essential for effective forest management. This study uses the APCIRD framework combined with an improved random forest model to analyze spatiotemporal changes in infestation risk and the driving effects of habitat factors in Northeast China. From 2019 to 2024, we applied SHapley Additive exPlanations (SHAP), frequency analysis, fitting functions, and GeoDetector to quantify the impact of key drivers, such as snow cover

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Spangler, Steve M., Dennis D. Calvin, Joe Russo, and Jay Schlegel. "Predicting Risk of European Corn Borer Infestation in Sweet Corn Based on Harvest Date." HortTechnology 19, no. 1 (2009): 173–80. http://dx.doi.org/10.21273/hortsci.19.1.173.

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Infestation of sweet corn (Zea mays) at harvest by european corn borer (Ostrinia nubilalis) was examined in 16 hybrid/harvest date combinations from 1994 through 1996 in central Pennsylvania. Two general periods of sweet corn ear infestation levels were observed. Infestations, expressed as proportion of ears infested, were 0.11 (11%) or lower in 10 of 11 plots harvested from 21 July to 23 Aug., whereas they were noticeably higher (30%–88%) in September and early October. Infestations expressed as larvae per ear showed the same temporal pattern. A nonlinear (sigmoidal) relationship was found be

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Spangler, Steve M., Dennis D. Calvin, Joe Russo, and Jay Schlegel. "Predicting Risk of European Corn Borer Infestation in Sweet Corn Based on Harvest Date." HortTechnology 19, no. 1 (2009): 173–80. http://dx.doi.org/10.21273/horttech.19.1.173.

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Infestation of sweet corn (Zea mays) at harvest by european corn borer (Ostrinia nubilalis) was examined in 16 hybrid/harvest date combinations from 1994 through 1996 in central Pennsylvania. Two general periods of sweet corn ear infestation levels were observed. Infestations, expressed as proportion of ears infested, were 0.11 (11%) or lower in 10 of 11 plots harvested from 21 July to 23 Aug., whereas they were noticeably higher (30%–88%) in September and early October. Infestations expressed as larvae per ear showed the same temporal pattern. A nonlinear (sigmoidal) relationship was found be

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4

Dodds, Kevin J., Steven L. Garman, and Darrell W. Ross. "Risk Rating Systems for the Douglas-Fir Beetle in the Interior Western United States." Western Journal of Applied Forestry 21, no. 4 (2006): 173–77. http://dx.doi.org/10.1093/wjaf/21.4.173.

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Abstract Douglas-fir beetle (DFB), Dendroctonus pseudotsugae, risk rating systems were developed for four USDA Forest Service ranger districts in northern Idaho. Risk rating systems were developed using a geographic information system, USDA Forest Service aerial detection survey maps, and nearest neighbor distances. Years where epidemic populations of DFB occurred over the four ranger districts were selected and risk rating systems were developed for each district. Nearest neighbor distances for between-year (t + 1) and between-2-year (t + 2) infestations were measured. Percentiles of nearest

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Reed, William J., and Darrell Errico. "Techniques for assessing the effects of pest hazards on long-run timber supply." Canadian Journal of Forest Research 17, no. 11 (1987): 1455–65. http://dx.doi.org/10.1139/x87-224.

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Stand-level and forest-level models are developed for the purpose of assessing the effects of pest hazards on long-term timber supply. The stand-level model yields formulas for the long-run average yield and the land expectation value when both the risk of infestation by pests and the risk of total destruction by fire are present. Infestations are assumed to occur with a probability dependent upon stand age. A forest-level harvest scheduling procedure of the model II type, which allows for pest infestation and fire destruction, is developed. Numerical examples are given, using data for lodgepo

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Nicosia, Grazia. "Which strategies are used against insect pests: a survey in 120 institutions of public heritage." Journal of Entomological and Acarological Research 43, no. 2 (2011): 137. http://dx.doi.org/10.4081/jear.2011.137.

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A quantitative survey was conducted to identify the characteristics of infestations in contemporary art institutions. This survey helped us understanding the mechanism of infestation in French heritage institutions according to the type of institution. Our results show a correlation between the nature of the infestation, its understanding and the themes of the collection. This factual study provides a better assessment of institutions&lsquo; risk management and their probable infestation depending on the type institution. Given these data, we are able to observe the typical features of con

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Martínez-Rincón, Sigifredo, José R. Valdez-Lazalde, Héctor M. de los Santos-Posadas, and Guillermo Sánchez-Martínez. "Risk of infestations by Dendroctonus mexicanus Hopkins and Dendroctonus frontalis Zimmermann bark beetles in forests of Michoacán." Revista Chapingo Serie Ciencias Forestales y del Ambiente 28, no. 1 (2021): 37–55. http://dx.doi.org/10.5154/r.rchscfa.2020.11.069.

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Introduction: Severe Dendroctonus spp. infestations are reported in North and Central America. Dendroctonus mexicanus Hopkins and Dendroctonus frontalis Zimmermann are recognized as forest pests and are common in the state of Michoacán, Mexico.Objective: To model current and future (2015-2039) spatial distribution of risk D. mexicanus and D. frontalis infestation in forests of Michoacán, Mexico.Materials and methods: Multicriteria evaluation techniques, including the analytic hierarchy process and fuzzy membership functions, were combined with climate and biophysical variables to obtain forest

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Modou Séré, Micheline Nomtondo Sawadogo, Sié Hermann Pooda, et al. "Diagnosis of fasciolosis in cattle slaughtered at the slaughterhouse of the urban commune of Dédougou in Burkina Faso." World Journal of Advanced Research and Reviews 12, no. 3 (2021): 497–504. http://dx.doi.org/10.30574/wjarr.2021.12.3.0716.

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Fasciolosis is a major zoonosis of ruminants which causes great economic losses to breeders. Given the economic and public health importance of this pathology, it is necessary to establish the current situation in a perspective of animal and ruminant meat consumer health protection. Therefore, the present study was conducted at the slaughterhouse of Dédougou in order to identify the species of fluke that caused this pathology in the Boucle du Mouhoun region and to estimate the prevalence, the risk factors and the economic losses associated with this pathology. For this purpose, 820 cattle and

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Arevalo-Nieto, Claudia, Justin Sheen, Gian Franco Condori-Luna, et al. "Incentivizing optimal risk map use for Triatoma infestans surveillance in urban environments." PLOS Global Public Health 2, no. 8 (2022): e0000145. http://dx.doi.org/10.1371/journal.pgph.0000145.

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In Arequipa, Peru, a large-scale vector control campaign has successfully reduced urban infestations of the Chagas disease vector, Triatoma infestans. In addition to preventing new infections with Trypanosoma cruzi (etiological agent of Chagas disease), the campaign produced a wealth of information about the distribution and density of vector infestations. We used these data to create vector infestation risk maps for the city in order to target the last few remaining infestations, which are unevenly distributed and difficult to pinpoint. Our maps, which are provided on a mobile app, display co

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Modou, Séré, Nomtondo Sawadogo Micheline, Hermann Pooda Sié, et al. "Diagnosis of fasciolosis in cattle slaughtered at the slaughterhouse of the urban commune of Dédougou in Burkina Faso." World Journal of Advanced Research and Reviews 12, no. 3 (2021): 497–504. https://doi.org/10.5281/zenodo.5813911.

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Fasciolosis is a major zoonosis of ruminants which causes great economic losses to breeders. Given the economic and public health importance of this pathology, it is necessary to establish the current situation in a perspective of animal and ruminant meat consumer health protection. Therefore, the present study was conducted at the slaughterhouse of Dédougou in order to identify the species of fluke that caused this pathology in the Boucle du Mouhoun region and to estimate the prevalence, the risk factors and the economic losses associated with this pathology. For this purpose, 820 catt

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Oktaviany Subagyo, Vani Nur, Rahmini, Fatimah, I. Made Samudra, Hari Sutrisno, and Purnama Hidayat. "Fall armyworm infestation intensity on maize vegetative stages in Banten, West Java, and Central Java, Indonesia." IOP Conference Series: Earth and Environmental Science 1494, no. 1 (2025): 012010. https://doi.org/10.1088/1755-1315/1494/1/012010.

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Abstract The fall armyworm (Spodoptera frugiperda) remains a major threat to maize production in Indonesia. This study assessed FAW infestation rates and intensities across maize vegetative stages (V3–V5, V6–V10, V11–Vn) in 21 locations across Banten, West Java, and Central Java from March to September 2022. Infestation rates ranged from 11% to 94%, with damage severity classified as light to severe (15%–53.89% intensity). High-risk areas, including Kuningan, Brebes, and Pemalang, exhibited the most severe infestations (>50% intensity). Statistical analyses showed non-significant correlatio

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De Urioste-Stone, Sandra M., Pamela M. Pennington, Elizabeth Pellecer, et al. "Development of a community-based intervention for the control of Chagas disease based on peridomestic animal management: an eco-bio-social perspective." Transactions of The Royal Society of Tropical Medicine and Hygiene 109, no. 2 (2015): 159–67. http://dx.doi.org/10.1093/trstmh/tru202.

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Abstract Background Integrated vector management strategies depend on local eco-bio-social conditions, community participation, political will and inter-sectorial partnership. Previously identified risk factors for persistent Triatoma dimidiata infestation include the presence of rodents and chickens, tiled roofs, dirt floors, partial wall plastering and dog density. Methods A community-based intervention was developed and implemented based on cyclical stakeholder and situational analyses. Intervention implementation and evaluation combined participatory action research and cluster randomized

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OLA-FADUNSIN, Shola D., Fufa I. GIMBA, Donea A. ABDULLAH, and Mohammed KONTO. "Epidemiology of Avian Ectoparasitic Infestations Diagnosed in Osun State Veterinary Hospitals, Southwest Nigeria." Notulae Scientia Biologicae 10, no. 2 (2018): 143–47. http://dx.doi.org/10.15835/nsb10210239.

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Ectoparasitism is the most devastating parasitic condition of poultry after coccidiosis. The present study was conducted to identify the risk factors associated with avian ectoparasitism in Osun State, Nigeria. Data was obtained from avian species presented at the major Veterinary Hospitals in Osun State between January 2006 and December 2015. A total of 4,584 avian species were presented in the period under review. Of the presented birds, 2,665 (58.14%) were young, while 1,919 (41.86%) were adults. One thousand nine hundred and ninety four (43.50%) were male and 2,590 (56.50%) were female. Mo

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Arbat, Shivani, Brian T. Forschler, Annelies M. Mondi, and Ajay Sharma. "The Case History of an Insect Infestation Revealed Using X-ray Computed Tomography and Implications for Museum Collections Management Decisions." Heritage 4, no. 3 (2021): 1016–25. http://dx.doi.org/10.3390/heritage4030056.

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The protection of cultural heritage and property is a significant and critical task that requires collaboration and expertise in a variety of disciplines. Of the many risk factors, insect infestation is one cause of deterioration and loss. At a large, state university, disparate departments, ranging from Facilities Management to the Entomology Department and Veterinary Medicine, assisted the university museum in identifying a drywood termite infestation, determining the extent of loss and developing a plan to prevent or mitigate future infestations. Our group was able to determine the extent a

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15

Lintong, Fransiska, Herlina Wungouw, Sonny Kalangi, and Wahidah Ma’ruf. "Prevalence and Risk Factors for Head Lice Infestation at Kaima Sunday School Children, Kauditan District, and North Minahasa Regency." Scholars Journal of Applied Medical Sciences 9, no. 10 (2021): 1581–83. http://dx.doi.org/10.36347/sjams.2021.v09i10.018.

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The majority of head lice infestations occur in children, which results in social, economic and psychological impacts. Patients with louse infestation tend to experience psychological problems such as feeling ashamed, low self-esteem, isolated, fearful, and even frustrated due to the stigma of society that considers head lice infestation is synonymous with poor hygiene, poverty, and in children it is associated with a lack of attention from the sufferer's parents. Head lice are blood-sucking insects with a specific host that lives on the human head. This parasite cannot live outside the head f

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Alvi, Muhammad Husnain Ali, Abdul Rehman, Tariq Jamil, et al. "Impact of Farm Management Practices on Tick Infestation in Punjab’s Livestock: A Comprehensive Epidemiological Study." Animals 14, no. 16 (2024): 2437. http://dx.doi.org/10.3390/ani14162437.

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Tick infestation poses an important challenge to livestock in Pakistan. Farm management practices and environmental variables can influence tick infestation prevalence in animals. To this end, a cross-sectional survey of 96 farms in four different geographical districts (24 farms from each district) was conducted in Punjab, Pakistan, between October 2021 and January 2022. An epidemiological questionnaire was designed focusing on farm management practices and their impact on tick infestations at these farms. Data were collected via in-person interviews. Regional and farm-specific variables’ ass

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Emanghe, Ubleni Ettah, Edema Enogiomwan Imalele, Godwin Ibitham Ogban, Promise Akugom Owai, and Bode Akashie Abraka. "Awareness and Knowledge of Scabies and Ringworm among Parents of School-age Children in Calabar, Cross River State, Nigeria: Implications for Prevention of Superficial Skin Infestations." Annals of African Medicine 23, no. 1 (2024): 62–69. http://dx.doi.org/10.4103/aam.aam_82_23.

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Context: Risk factors for the persistence of superficial skin infestations are prevalent in humid tropical environments, which are favorable for breeding of the causative vector mite Sarcoptes scabiei (ectoparasite) and dermatophyte fungi. Aim: This study aimed at assessing the awareness and knowledge of childhood scabies and ringworm infestations among parents in Calabar, a highly humid rainforest tropical environment. Settings and Design: Cross-sectional study design and systematic random sampling were used to recruit school-age children in selected primary schools in Calabar. Materials and

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18

Adham, Davoud, Eslam Moradi-Asl, Malek Abazari, Abedin Saghafipour, and Parisa Alizadeh. "Forecasting head lice (Pediculidae: Pediculus humanus capitis) infestation incidence hotspots based on spatial correlation analysis in Northwest Iran." January-2020 13, no. 1 (2020): 40–46. http://dx.doi.org/10.14202/vetworld.2020.40-46.

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Background and Aim: Pediculus humanus capitis has been prevalent throughout the world, especially in developing countries among elementary students and societies with a weak socio-economic status. This study aimed to forecast head lice (Pediculidae: P. capitis) infestation incidence hotspots based on spatial correlation analysis in Ardabil Province, Northwest Iran. Materials and Methods: In this retrospective analytical study, all cases of head lice infestations who were confirmed by Centers for Disease Control office have been studied from 2016 to 2018. Head lice infestation incidence hotspot

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ARTIUSHENKO, M. V., A. V. KHYZHNIAK, and O. V. TOMCHENKO. "PREDICTION AND RISK MANAGEMENT OF SPREADING FOREST PEST INFESTATIONS USING SATELLITE DATA." Kosmìčna nauka ì tehnologìâ 30, no. 3 (2024): 61–70. http://dx.doi.org/10.15407/knit2024.03.061.

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The article is devoted to predicting the risk of occurrence of large foci of infection in a pine forest with bark beetles, pathogenic fungi, and nematodes. The areas of disease observed on satellite images have a spotted, clustered structure of drying forest. An important statistical characteristic of the infestation structure is the power law of distribution of infestation clusters in size. Large, catastrophic events have a significant probability in processes with power laws of distributions. The given methods of computer identification and analysis of cluster distributions make it possible

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PARMAR, VIJAY L., A. A. VAGH, U. D. PATEL, et al. "Prevalence, molecular signature and risk analysis of tropical theileriosis in Gir cattle in south-western region of Gujarat, India." Indian Journal of Animal Sciences 95, no. 1 (2025): 37–42. https://doi.org/10.56093/ijans.v95i1.158430.

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The study signifies pioneering effort for development of preventive strategies of tropical theileriosis in Gir Cattle by shedding the light on epidemiological information regarding age, season, lactational status, tick infestation and importance of tick control. On the other hand, key clinical observations viz., pyrexia, lymphadenopathy, altered appetite, ocular and nasal discharge, pale mucous membrane, and tick infestations of the study provide the platform for early diagnosis of disease in field conditions to veterinary professionals.

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Afroz, Sadya, Smita Debsarma, Subarna Dutta, Mir Masudur Rhaman, and Masuda Mohsena. "Prevalence of helminthic infestations among Bangladeshi rural children and its trend since mid-seventies." IMC Journal of Medical Science 13, no. 1 (2019): 004. http://dx.doi.org/10.3329/imcjms.v13i1.42038.

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Background and objectives: Helminthic infestation is one of the commonest health problems in a developing country like Bangladesh. The objectives of the current study were to determine the prevalence of helminthic infestations, associated risk factors and its effects among the rural children in Bangladesh. The trend of helminthic infestation rate over time was also analyzed. Methodology: A cross-sectional study was conducted among the rural primary school children of Sreepur Upazilla of Gazipur District. The area is located about 40 km north-east of capital Dhaka. A total of 593 students

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Hasan, Mahamudul, Md Mukthar Mia, Tiluttom Bhattacharjee, Shamia Khan Lisa, and Minhajul Islam. "Epidemiological Risk Factors and Progression of Gastrointestinal Parasitic Infestation among Food Animals of Bangladesh: A Systematic Review and Meta-analysis." Turkish Journal of Agriculture - Food Science and Technology 10, no. 2 (2022): 194–202. http://dx.doi.org/10.24925/turjaf.v10i2.194-202.4491.

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The gastrointestinal parasitic infestation seems to have a substantial economic impact on the entire livestock production industry. Because of the parasites' environmental appropriateness, numerous domestic animals in Bangladesh are particularly susceptible to the infestation; however, the extent to which people are aware of the potential risk factors is debatable. Therefore, the current meta-analysis' objective is to determine the precise understanding of potential risk variables and the impact of climatological variations on five important gastrointestinal parasites: Paramphistomum species,

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Achukwu, N. O., I. B. Enweani, C. C. Aniobi, P. O. Isiofia, and U. S. A. Ogbonna. "Prevalence of Concomitant Infection of Intestinal Helminthiasis with Malaria Parasitaemia in a typical Nigeria Suburban Areas." Nigerian Journal of Parasitology 42, no. 1 (2021): 158–66. http://dx.doi.org/10.4314/njpar.v42i1.21.

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Helminthic infestation and malaria parasitaemia, separately or co- joined, can be present, in a host and still be asymptomatic. It is, therefore, crucial to assess the extent of co-infestation among individuals, particularly children who are most prone to parasitic infestations. Blood and Stool samples were collected from 557 pupils who were examined for intestinal helminths, malaria parasitaemia and anaemia. Formal acetate concentration method was used to analyse the stool specimens after which positive ones were further processed using Stolls method of counting helminths egg to determine the

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Khayyat, Rasha, Souad Belkebir, Sameh Abuseir, Majd Barahmeh, Lujain Alsadder, and Walid Basha. "Prevalence of and risk factors for Enterobius vermicularis infestation in preschool children, West Bank, Palestine, 2015." Eastern Mediterranean Health Journal 27, no. 11 (2021): 1052–60. http://dx.doi.org/10.26719/emhj.21.022.

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Background: Enterobius vermicularis (pinworm) infestation is a common condition that primarily affects children. Aims: The aim of this study was to assess the prevalence of and the risk factors for E. vermicularis infestation in preschool children in north West Bank. Methods: A cross-sectional study that included the six main governorates in north West Bank was carried out on a sample of 384 preschool children from 86 day-care centres. The perianal cellophane tape method was used to detect E. vermicularis infestation. Parents/guardians of participating children completed a questionnaire to col

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Adelusi, S. M., T. E. Terkumbur, P. B. Omouhie, G. E. Elajonje, and E. A. Omudu. "Cockroach and Bedbug Infestation in Poultry Farms and Residential Apartments in Makurdi, Nigeria." Nigerian Journal of Entomology 38, no. 1 (2022): 1–9. http://dx.doi.org/10.36108/nje/2202/83.0110.

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This study was conducted to investigate bedbug and cockroach infestation in poultry farms and adjacent residential apartments in Makurdi and to determine if proximity to poultry farms increased the odds of infestation of human population. Bed bugs found in mattresses, cracks, crevices of walls, bird cages and furniture were collected by handpicking while cockroaches were trapped using the Hercules mouse glue board. A total of 595 bedbugs were collected from 42 (30.9%) cages while 461 bedbugs were collected from 71 (71%) apartments in the different locations sampled. Farms around Wadata Market

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Hashimi, Abdul Shakur, Hadia Azami, Sayed Hussain Mosawi, Ahmad Jamsid Mehrpoor, and Salih Morad Gunsh Afghan. "Prevalence and Associated Factors of Pediculosis capitis among Male Schoolchildren in Helmand Province, Afghanistan." Afghanistan Journal of Infectious Diseases 3, no. 1 (2025): 74–82. https://doi.org/10.60141/ajid.88.

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Background: Pediculosis capitis (head lice infestation) is a significant public health concern, particularly among schoolchildren, because apart from physical symptoms, it also leads to their psychological distress, social stigma, and negative impacts on their school attendance and learning. Despite its global impact, there is a lack of research on this issue in Afghanistan. Methods: This descriptive cross-sectional study was performed among male schoolchildren from Jan to Dec 2023, in Helmand Province, Afghanistan. Data were collected through physical examination and a structured questionnair

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Ganesan, Haritharan, and Putu Ayu Asri Damayanti. "Faktor resiko terjadi infestasi kutu pada anak-anak di panti asuhan." Intisari Sains Medis 8, no. 3 (2017): 171–75. http://dx.doi.org/10.15562/ism.v8i3.137.

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Infestation with lice is most common among preschool- and elementary school-age children and their household members and caretakers hence becoming an increasing problem in orphanage because of the poor hygiene and knowledge of children on lice. This study explores about the risk factor of knowledge, social risk and personal risk among the students who are living in the orphanage. Study design chosen for this research is descriptive study with 98 student from two orphanages home as respondents. Questionnaires were given to answer to all the 98 respondents. The questionnaire were subdivided into

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Sarto i Monteys, Victor, Adrià Costa Ribes, and Ivan Savin. "The invasive longhorn beetle Xylotrechus chinensis, pest of mulberries, in Europe: Study on its local spread and efficacy of abamectin control." PLOS ONE 16, no. 1 (2021): e0245527. http://dx.doi.org/10.1371/journal.pone.0245527.

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The invasive wasp-mimicking Tiger Longicorn Beetle, Xylotrechus chinensis, a potentially lethal pest of mulberry trees (Moraceae: Morus sp.), was first reported in Europe in 2018, although its colonization and establishment were estimated to have occurred during the year 2012 or earlier. In Catalonia the infestation spread from four towns and 44.1 km2 in 2018 to 12 towns and 378.1 km2 in 2020; in the studied town of Barberà del Vallès, infested trees rose from 16.21% in February 2016 to 59.29% in December 2018. Human safety in public parks and avenues is a concern, as beetle infestation increa

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Souza, Clarissa P., Regina R. Ramadinha, Fabio B. Scott, and Maria Júlia S. Pereira. "Factors associated with the prevalence of Otodectes cynotis in an ambulatory population of dogs." Pesquisa Veterinária Brasileira 28, no. 8 (2008): 375–78. http://dx.doi.org/10.1590/s0100-736x2008000800005.

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The objective was to evaluate the factors associated with the prevalence of Otodectes cynotis infestations in dogs assisted at the Dermatology Service of the Veterinary Hospital, Universidade Federal Rural do Rio de Janeiro. A total of 250 dogs were examined through direct smear of ear samples using a stereoscopic microscope, for the parasitological diagnostic. All dog owners were interviewed and data regarding the animals and their environments were individually recorded. Mite infestation was observed in 15 animals, with a prevalence of 6%. The variables were tested regarding their associatio

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Khadka, Damber, Sumana Lama, and Bikash Khadka. "Prevalence of Intestinal Parasitic Infestations Among School Going Children of Shree Krishna Sanskrit Tatha Sadharan Madhaymik Vidhyalaya, Surkhet: An Observational Study." Journal of Nepal Medical Association 63, no. 287 (2025): 513–17. https://doi.org/10.31729/jnma.9105.

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Introduction: Parasitosis is a major public health concern in developing countries, significantly contributing to childhood malnutrition, anemia, stunted physical and mental growth, and social problems. This study aimed to determine the prevalence of intestinal worm infestation and its associated risk factors among school going children. Methods: A descriptive study was done among school - going children of Shree Krishna Sanskrit Tatha Sadharan Madhaymik Vidhyalaya from March 20 to May 31, 2025. A purposive (non-probability) sampling technique was employed. Prior Informed consent was obtained

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Quiros-Gomez, Oscar, Ángela Segura-Cardona, Piedad Agudelo Flórez, et al. "Risk factors and spatial analysis for domiciliary infestation with the Chagas disease vector Triatoma venosa in Colombia." Therapeutic Advances in Infectious Disease 9 (January 2022): 204993612210841. http://dx.doi.org/10.1177/20499361221084164.

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Background: In Colombia, communities living in the Andean region are the most affected by Chagas disease due to the presence of the main vectors, the environmental and risk factors associated with house infestation. Triatoma venosa is classified as a secondary vector that is frequently found in the departments of Boyaca and Cundinamarca, but epidemiological information and its association with risk factors in domestic and peridomestic areas is unknown. The study aimed to evaluate housing and environmental characteristics associated with domestic and peridomestic infestation by T. venosa and a

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KOUAM, M. K., F. MEUTCHIEYE, E. MIEGOUE, T. T. NGUAFACK, J. TCHOUMBOUE, and A. TEGUIA. "Prevalence and husbandry-related risk factors of myiasis in domestic cavies in the western highlands of Cameroon." Epidemiology and Infection 145, no. 2 (2016): 339–46. http://dx.doi.org/10.1017/s0950268816002466.

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SUMMARYThe presence of parasites on the farm can be a cause of losses in animal production, and often a threat to public health. A cross-sectional study was carried out in rural areas of the western highlands of Cameroon to determine the prevalence and husbandry-related risk factors associated with Cordylobia anthropophaga infestations in domestic cavies. The overall prevalence of myiasis in animals was 2·80% [95% confidence interval (CI) 1·50–5·10]; myiasis was found in 2% and 4·30% animals in Menoua and Bamboutos divisions, respectively. Eleven farms (8·95%) in total were infested with C. an

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Kassahun Gebremeskel, Addis, Berhanu Mekibib, and Bekele Dabesa. "Infestation of Ixodidae Ticks in Cattle: Prevalence and Associated Risk Factors in Ambo District, Western Ethiopia." East African Journal of Biophysical and Computational Sciences 3, no. 1 (2022): 17–22. http://dx.doi.org/10.4314/eajbcs.v3i1.3s.

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In Ethiopia, ticks cause serious economic loss particularly in ruminants. A cross sectional study was conducted in Ambo district, Western Ethiopia from October, 2018 to June, 2019 with the objectives of determining the prevalence, identifying the associated risk factors and the tick species of cattle in the area. From five purposively selected kebeles (the smallest administrative unit of Ethiopia) of the district, a total of 384 cattle were selected by systematic random sampling method. Adult Ixodid ticks were collected from different body parts of infested cattle, preserved in 10% formalin an

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Miarinjara, Adélaïde, Annick Onimalala Raveloson, Stephen Gilbert Mugel, et al. "Socio-ecological risk factors associated with human flea infestations of rural household in plague-endemic areas of Madagascar." PLOS Neglected Tropical Diseases 18, no. 3 (2024): e0012036. http://dx.doi.org/10.1371/journal.pntd.0012036.

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Plague is a flea-borne fatal disease caused by the bacterium Yersinia pestis, which persists in rural Madagascar. Although fleas parasitizing rats are considered the primary vectors of Y. pestis, the human flea, Pulex irritans, is abundant in human habitations in Madagascar, and has been found naturally infected by the plague bacterium during outbreaks. While P. irritans may therefore play a role in plague transmission if present in plague endemic areas, the factors associated with infestation and human exposure within such regions are little explored. To determine the socio-ecological risk fa

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Walter, Annie, Isabel Pojo do Rego, Agenor José Ferreira, and Christophe Rogier. "Risk factors for reinvasion of human dwellings by sylvatic triatomines in northern Bahia State, Brazil." Cadernos de Saúde Pública 21, no. 3 (2005): 974–78. http://dx.doi.org/10.1590/s0102-311x2005000300034.

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The aim of this study in Curaça, Bahia, Northeast Brazil was to explore possible factors associated with the infestation of human dwellings by Triatoma brasiliensis or Triatoma pseudomaculata, two sylvatic triatomine species. We use multiple logistic regression analysis to show how structural features of the peridomiciliary area combine with the number of animals and sociological factors to allow infestation of some dwellings. It is suggested that T. brasiliensis is associated with human activities, while T. pseudomaculata is associated with vegetation and animals. Peridomiciliary farm animals

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Parao, Marissa R., Paquito P. Untalan, Bonie S. Ligat, Casiano S. Pagadan, and Leon B. Tanguid. "Damage Assessment of Bark Beetle Infestations on Benguet Pine (Pinus kesiya Royle ex Gordon) in Camp John Hay, Baguio City, Philippines." Mountain Journal of Science and Interdisciplinary Research (formerly Benguet State University Research Journal) 79, no. 2 (2019): 35–49. https://doi.org/10.70884/mjsir.v79i2.178.

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The damage of bark beetle infestation on pine trees, and contributing factors in Camp John Hay, Baguio City, Philippines was assessed to provide bases for management actions. Biophysical conditions and tree health within eight plots were evaluated and described. In each plot, three trees were chosen where bark beetles were collected and brought to the laboratory for identification. Ips and Dendroctonus spp. were identified to be of utmost concern in pine tree health maintenance. The girdling effect of these beetles as they form galleries coupled with pine wilt disease caused most deaths of pin

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Sah, R. B., P. K. Pokharel, I. S. Paudel, A. Acharya, and N. Jha. "A Study of Prevalence of Worm Infestation and Associated Risk Factors among the School Children of Dharan, Eastern Region of Nepal." International Journal of Medical and Dental Sciences 2, no. 2 (2013): 121. http://dx.doi.org/10.19056/ijmdsjssmes/2013/v2i2/86766.

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<strong>Background:</strong>Worm infestation has remained major zoonotic diseases in Nepal especially among children.<p><strong>Objectives:</strong> To measure the prevalence of worm infestation and to identify risk factors associated with worm infestation among the school children of Dharan.</p><p><strong>Material and Methods:</strong> A cross sectional study was conducted among school children of Dharan. Stratified random sampling method was applied to choose the schools and the study subjects. The Chi-square test was used to measure the

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Lynch, Heather J., and Paul R. Moorcroft. "A spatiotemporal Ripley’s K-function to analyze interactions between spruce budworm and fire in British Columbia, Canada." Canadian Journal of Forest Research 38, no. 12 (2008): 3112–19. http://dx.doi.org/10.1139/x08-143.

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In this paper, we extend traditional methods of spatial statistics to study spatiotemporal correlations between two different point processes. After introducing the methodology, we apply this analysis to a particular case study of interest in ecology, the interaction between damage by a particular forest pest (western spruce budworm ( Choristoneura occidentalis )) and forest fires. Our analysis, which covers parts of British Columbia in the 26-year period from 1970 to 1995, indicates that areas affected by budworm infestation have a significantly decreased risk of forest fire for the 7 years f

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Last, Omer, Jensen Reckhow, Ben Bogen, and Mati Rozenblat. "Subungual and ungual scabies: avoiding severe presentation in high-risk patients." BMJ Case Reports 11, no. 1 (2018): bcr—2018–225623. http://dx.doi.org/10.1136/bcr-2018-225623.

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Scabies is a pruritic disorder caused by Sarcoptes scabiei var. hominis infestation of the skin. Transferred by close body contact, scabies is endemic within nursing homes and among poor and overcrowded populations. Crusted scabies is a severe form of disease, characterised by a large, thick, crusted eruption with significant mite infestation. We report a patient hospitalised with crusted scabies that had massive nail involvement. A 79-year-old female patient with multiple comorbidities and several recent prior scabies diagnoses presented with agitation and dystrophic fingernails; scabies mite

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Fite, Dr Melaku Guteta. "Prevalence of Bovine Tick Infestation and its Associated Risk Factors in Wayu Tuka District Western Ethiopia." International Journal of Agriculture and Animal Production, no. 36 (October 7, 2023): 47–56. http://dx.doi.org/10.55529/ijaap.36.47.56.

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Ticks are harmful blood-sucking ectoparasites that are widespread across the world but are more economically significant in tropical and subtropical regions. To determine the prevalence of tick infestation in cattle, a cross-sectional study was carried out in the Wayu Tuka district from October 2022 to July 2023. Three study villages were purposefully chosen, and from this chosen kebele, the study populations were chosen using simple random selection techniques. Ticks were identified by their features under a stereomicroscope. In the current study, adult ticks were collected from 384 local and

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Dhamrah, Shakira, Nadir Ali Birmani, and Naheed Baloch. "Bionomics of Hard Ticks and Risk Factors in Larkana Division, Sindh, Pakistan." Pakistan Journal of Public Health 13, no. 2 (2023): 62–66. http://dx.doi.org/10.32413/pjph.v13i2.1203.

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Background: A study based on discovery of Ixodid ticks and allied risk factors was conducted in Larkana division, Sindh, Pakistan. The ticks (Acari:Ixodidae) being dangerous ectoparasites of animals have destruction on larger scale and are widely studied for their direct and indirect losses to livestock. Methods: During the study period from April 2021 to June 2022 randomly selected 3750 buffaloes were observed and only those were selected which were not treated with Acaricide and prevalence and intensity was noted alongside this seasonal variation and male and female tick infestation was also

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Dymond, Caren C., Michael A. Wulder, Terry L. Shore, Trisalyn Nelson, Barry Boots, and Bill G. Riel. "Evaluation of Risk Assessment of Mountain Pine Beetle Infestations." Western Journal of Applied Forestry 21, no. 1 (2006): 5–13. http://dx.doi.org/10.1093/wjaf/21.1.5.

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Abstract Decision support systems to aid the management of mountain pine beetles combine characteristics of the stand and beetle infestation to estimate risk of damage. Beetle infestation information is now available in a format amenable to the operational implementation of risk. In this study, an established risk rating system was evaluated to determine the utility of the values generated. For a study area located in British Columbia, Canada, global positioning systems were used to survey an infestation. The annual data was used to generate risk for a given year and to compare the ratings wit

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Maqbool, Mahvish, Muhammad Sohail Sajid, Zafar Iqbal, and Muhammad Saqib. "Epizootiology and associated risk factors of tick fauna infecting domestic livestock population in district Faisalabad, Punjab, Pakistan." Journal of the Hellenic Veterinary Medical Society 73, no. 3 (2022): 4325–38. http://dx.doi.org/10.12681/jhvms.26710.

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The current study was aimed to corelates the association of different risk factors with tick infestation rate in livestock (cattle, buffalo, sheep, goat) population of district Faisalabad. Ticks were collected through the standard collection protocols, were identified under stereomicroscope. Overall, 54%, 50%, 50% and 49 % tick infestation rate reported from livestock species (cattle, buffalo, sheep, goat) and higher prevalence was observed in tehsil Tandlianwala (72%, 65%, 70% and 57%). Among intrinsic factors (age and sex) higher prevalence was reported in young (7-12 months) and female anim

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Toluwalope, Orugun Folake, Ogbu George Idikwu, and Stephen Ajen Anzaku. "Burden of hookworm infestation and association with socio-demographic and clinical factors in a clinical setting in Nigeria." Science Archives 03, no. 03 (2022): 168–74. http://dx.doi.org/10.47587/sa.2022.3304.

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Hookworm infestation is a major public health problem in developing countries and infestation in patients including pregnant women could result in anaemia and malnutrition. The study aimed to determine infection burden, socio-demographic risk factors, and impacts of hookworm infestation among pregnant women in Federal Medical Centre Keffi. The study was a cross-sectional survey of pregnant women presenting at the booking clinic of the hospital over 3 months. Participants were recruited using a systematic sampling technique. Their biodata and information on socio-demographic risk factors for ho

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Mazrukho, A. B., N. E. Gaevskaya, and N. L. Pichurina. "Rapid response strategies to sanitary and epidemiological emergencies in Russian Federation regions considering particular epidemiological scenarios (in case of cholera outbreaks)." Medicо-Biological and Socio-Psychological Problems of Safety in Emergency Situations, no. 4 (January 19, 2025): 75–83. https://doi.org/10.25016/2541-7487-2024-0-4-75-83.

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Relevance. Currently, cholera poses a serious external infection risk for the Russia. Any region of Russia is at risk of cholera infestation/importation, while importation events shall be considered as a real threat to the sanitary and epidemiological wellbeing of the population. Every Russian region is characterized by a set of individual factors and conditions affecting cholera infection risks, as well as preparedness of medical and testing lab capacities. In such environment, every region of Russia is in critical need of region-specific stochastic epidemiological forecasting is critically d

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Sah, Ram Bilakshan, PK Pokharel, IS Paudel, A. Acharya, N. Jha, and S. Bhattarai. "A Study of Prevalence of Taenia Infestation and Associated Risk Factors Among the School Children of Dharan." Kathmandu University Medical Journal 10, no. 3 (2013): 14–17. http://dx.doi.org/10.3126/kumj.v10i3.8011.

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Background Taenia prevalence has remained high among certain ethnic groups and occupational diseases in Nepal. Taenia saginata and Taenia solium species are worldwide in distribution. Infection is found most often in rural areas of developing countries with poor hygiene and living in close contact with pigs and eating undercooked pork meats. This allows the tapeworm infection to be completed and its cycle to continue. Objectives To measure the prevalence of taenia infestation and to identify risk factors associated with taenia infestation among the school children of Dharan. Methods A cross se

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Zulfikar, Zulfikar, Sayed Umar, Teuku Reza Ferasyi, and Maruf Tafsin. "Association of Infestation of Gastrointestinal Nematode With Altitudes of Location of Cattle Raising in Two Different Districts in Aceh Province." International Journal of Tropical Veterinary and Biomedical Research 3, no. 1 (2018): 30–34. http://dx.doi.org/10.21157/ijtvbr.v3i1.11371.

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This study was aimed to measure the prevalence and the association of altitude of location of raising to the risk of infestation of gastrointestinal nematode in cattle. The study was conducted using cross sectional approach. A purposive sampling method was used to select the location of study (subdistricts and villages) in the two Districts. The inclusion criteria for the lowland were the location with altitude <200 m above sea level and the subdistricts (villages) of North Aceh District. The exclusion criteria for lowland was the location >200 m above sea level. Then, the inclusion crit

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Rezende, Leandro do Carmo, Lucas Maciel Cunha, Nelson Rodrigo da Silva Martins, Cristina Mara Teixeira, and Paulo Roberto de Oliveira. "Epidemiology of Megninia spp. in laying flocks from the State of Minas Gerais, Brazil." Revista Brasileira de Parasitologia Veterinária 24, no. 2 (2015): 198–203. http://dx.doi.org/10.1590/s1984-29612015027.

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Aspects related to the epidemiology of Megninia ginglymura were studied, in order to determine predisposing factors for the ocurrence in layer chicken houses of commercial farms in the State of Minas Gerais, Brazil. An observational, cross-sectional, analytical survey was conducted for identifying major risks or protection factors for infestations. Four hundred thirty-one houses located in forty-three farms were visited in 2012. Regarding the farms, 17 (39.53%) had chickens infested by M. ginglymura and 1 (2.32%) presented Megninia cubitalis. The epidemiological aspects of the occurrence of M.

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Aydın, Nilgün, Neslihan Ölmez, Mert Sezer, et al. "Prevalence of infestation, and risk factors for Otodectes cynotis in Dogs in Kars Region, Türkiye." Dicle Üniversitesi Veteriner Fakültesi Dergisi 18, no. 1 (2025): 42–47. https://doi.org/10.47027/duvetfd.1654465.

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In this study, the prevalence of Otodectes cynotis, the causative agent of ear manges, was investigated in dogs from the Kars region, Türkiye. As part of the study, the medical histories of 100 dogs of different breeds, sexes, and age groups were recorded, clinical examinations were performed, and samples were collected from the ear canal using a swab for microscopic examination of aural exudates (earwax). Ear mite infestation was detected in 38% (38/100) of the examined dogs. Dogs were categorized based on breed, sex, age, lifestyle, and clinical symptoms, and the relationship between these f

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Sim, Seobo, Won-Ja Lee, Jae-Ran Yu, et al. "Risk Factors Associated with Head Louse Infestation in Korea." Korean Journal of Parasitology 49, no. 1 (2011): 95. http://dx.doi.org/10.3347/kjp.2011.49.1.95.

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