Geremew Haile Lemu , Samuel Milki Kibi , Isayas Asefa Kebede , Haben Fesseha Gebremeskel
{"title":"埃塞俄比亚西南部比德勒地区牛伊蚊蜱的分布研究","authors":"Geremew Haile Lemu , Samuel Milki Kibi , Isayas Asefa Kebede , Haben Fesseha Gebremeskel","doi":"10.1016/j.parepi.2023.e00309","DOIUrl":null,"url":null,"abstract":"<div><h3>Background</h3><p>Ticks cause substantial losses in cattle production, in terms of diseases, and reduced productivity, and are economically the most important ectoparasites of cattle.</p></div><div><h3>Methods</h3><p>A cross-section study was conducted from January 2022 to August 2022 in the Bedele district to identify genera and species of Ixodid ticks infesting cattle and determine the prevalence concerning host-related factors. Adult ixodid ticks were collected from 384 randomly selected cattle by using forceps and preserved in separate collecting bottles with 70% ethyl alcohol. The collected ticks were identified under stereomicroscope into species based on their morphology.</p></div><div><h3>Results</h3><p>Out of the 384 cattle examined, 276 (71.9%) were found with being infested by one or more tick species. A total of 3192 ticks were collected and identified. Three genera; namely <em>Amblyomma</em>, <em>Boophilus</em> and <em>Rhipicephalus,</em> and four species <em>(Amb</em>. <em>cohaerence, Boophilus decoloratus, Amb</em>. <em>variegatem,</em> and <em>Rhip. evertsi evertsi)</em> were identified with a prevalence rate of 44.8%, 26.8%, 14.1%, and 14% respectively. The respective prevalence for assessed risk factors was: 71.32%, 68.75%, 74.72%, 72.72%, 82.02%, 68.81%, 72.97%, 69.19%, 75.25%, 72.25%, 71.34%, 72.93%, 67.65%, 75.00% Bedele Town, Haro, Ilike Kararo, Obolo Bachara, Cross Breed, Local Breed, Young, Adult, Old, Male, Female, Poor, Medium, and Good, respectively. Only the association between the breed of cattle is statistically significant in terms of the prevalence of ticks (<em>p</em> < 0.05), and others risk factors (Kebele, age, sex, and body condition) were statistically insignificant (<em>p</em> > 0.05). Tick species were highly distributed on the udder part with a prevalence of (26.3%) and least in the vulva body region of the cattle (2.3%).</p></div><div><h3>Conclusions</h3><p>The present study indicated there is a high prevalence of ixodid tick infestation, especially in local cattle breeds, adults, males, poor body condition, and Bedele town. In line with this, further studies on factors affecting tick burden and tick control strategies are recommended.</p></div>","PeriodicalId":37873,"journal":{"name":"Parasite Epidemiology and Control","volume":null,"pages":null},"PeriodicalIF":2.0000,"publicationDate":"2023-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/fb/c8/main.PMC10245335.pdf","citationCount":"0","resultStr":"{\"title\":\"Study on distribution of Ixodid ticks of cattle in Bedele District, South Western Ethiopia\",\"authors\":\"Geremew Haile Lemu , Samuel Milki Kibi , Isayas Asefa Kebede , Haben Fesseha Gebremeskel\",\"doi\":\"10.1016/j.parepi.2023.e00309\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><h3>Background</h3><p>Ticks cause substantial losses in cattle production, in terms of diseases, and reduced productivity, and are economically the most important ectoparasites of cattle.</p></div><div><h3>Methods</h3><p>A cross-section study was conducted from January 2022 to August 2022 in the Bedele district to identify genera and species of Ixodid ticks infesting cattle and determine the prevalence concerning host-related factors. Adult ixodid ticks were collected from 384 randomly selected cattle by using forceps and preserved in separate collecting bottles with 70% ethyl alcohol. The collected ticks were identified under stereomicroscope into species based on their morphology.</p></div><div><h3>Results</h3><p>Out of the 384 cattle examined, 276 (71.9%) were found with being infested by one or more tick species. A total of 3192 ticks were collected and identified. Three genera; namely <em>Amblyomma</em>, <em>Boophilus</em> and <em>Rhipicephalus,</em> and four species <em>(Amb</em>. <em>cohaerence, Boophilus decoloratus, Amb</em>. <em>variegatem,</em> and <em>Rhip. evertsi evertsi)</em> were identified with a prevalence rate of 44.8%, 26.8%, 14.1%, and 14% respectively. The respective prevalence for assessed risk factors was: 71.32%, 68.75%, 74.72%, 72.72%, 82.02%, 68.81%, 72.97%, 69.19%, 75.25%, 72.25%, 71.34%, 72.93%, 67.65%, 75.00% Bedele Town, Haro, Ilike Kararo, Obolo Bachara, Cross Breed, Local Breed, Young, Adult, Old, Male, Female, Poor, Medium, and Good, respectively. Only the association between the breed of cattle is statistically significant in terms of the prevalence of ticks (<em>p</em> < 0.05), and others risk factors (Kebele, age, sex, and body condition) were statistically insignificant (<em>p</em> > 0.05). Tick species were highly distributed on the udder part with a prevalence of (26.3%) and least in the vulva body region of the cattle (2.3%).</p></div><div><h3>Conclusions</h3><p>The present study indicated there is a high prevalence of ixodid tick infestation, especially in local cattle breeds, adults, males, poor body condition, and Bedele town. In line with this, further studies on factors affecting tick burden and tick control strategies are recommended.</p></div>\",\"PeriodicalId\":37873,\"journal\":{\"name\":\"Parasite Epidemiology and Control\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":2.0000,\"publicationDate\":\"2023-08-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/fb/c8/main.PMC10245335.pdf\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Parasite Epidemiology and Control\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S2405673123000260\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q3\",\"JCRName\":\"INFECTIOUS DISEASES\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Parasite Epidemiology and Control","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S2405673123000260","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"INFECTIOUS DISEASES","Score":null,"Total":0}
Study on distribution of Ixodid ticks of cattle in Bedele District, South Western Ethiopia
Background
Ticks cause substantial losses in cattle production, in terms of diseases, and reduced productivity, and are economically the most important ectoparasites of cattle.
Methods
A cross-section study was conducted from January 2022 to August 2022 in the Bedele district to identify genera and species of Ixodid ticks infesting cattle and determine the prevalence concerning host-related factors. Adult ixodid ticks were collected from 384 randomly selected cattle by using forceps and preserved in separate collecting bottles with 70% ethyl alcohol. The collected ticks were identified under stereomicroscope into species based on their morphology.
Results
Out of the 384 cattle examined, 276 (71.9%) were found with being infested by one or more tick species. A total of 3192 ticks were collected and identified. Three genera; namely Amblyomma, Boophilus and Rhipicephalus, and four species (Amb. cohaerence, Boophilus decoloratus, Amb. variegatem, and Rhip. evertsi evertsi) were identified with a prevalence rate of 44.8%, 26.8%, 14.1%, and 14% respectively. The respective prevalence for assessed risk factors was: 71.32%, 68.75%, 74.72%, 72.72%, 82.02%, 68.81%, 72.97%, 69.19%, 75.25%, 72.25%, 71.34%, 72.93%, 67.65%, 75.00% Bedele Town, Haro, Ilike Kararo, Obolo Bachara, Cross Breed, Local Breed, Young, Adult, Old, Male, Female, Poor, Medium, and Good, respectively. Only the association between the breed of cattle is statistically significant in terms of the prevalence of ticks (p < 0.05), and others risk factors (Kebele, age, sex, and body condition) were statistically insignificant (p > 0.05). Tick species were highly distributed on the udder part with a prevalence of (26.3%) and least in the vulva body region of the cattle (2.3%).
Conclusions
The present study indicated there is a high prevalence of ixodid tick infestation, especially in local cattle breeds, adults, males, poor body condition, and Bedele town. In line with this, further studies on factors affecting tick burden and tick control strategies are recommended.
期刊介绍：
Parasite Epidemiology and Control is an Open Access journal. There is an increasing amount of research in the parasitology area that analyses the patterns, causes, and effects of health and disease conditions in defined populations. This epidemiology of parasite infectious diseases is predominantly studied in human populations but also spans other major hosts of parasitic infections and as such this journal will have a broad remit. We will focus on the major areas of epidemiological study including disease etiology, disease surveillance, drug resistance and geographical spread and screening, biomonitoring, and comparisons of treatment effects in clinical trials for both human and other animals. We will also look at the epidemiology and control of vector insects. The journal will also cover the use of geographic information systems (Epi-GIS) for epidemiological surveillance which is a rapidly growing area of research in infectious diseases. Molecular epidemiological approaches are also particularly encouraged.
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