Acaricide resistance in Rhipicephalus appendiculatus ticks collected from different farming systems in Zimbabwe
The larval packet test (LPT) was used to investigate resistance in Rhipicephalus appendiculatus ticks to the amidine (amitraz) and organophosphate (chlorfenvinphos) chemical acaricides in different farming systems in Mashonaland West Province in Zimbabwe. The study results showed emerging resistance...
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2022
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| Online Access: | https://pubmed.ncbi.nlm.nih.gov/34368904/ http://hdl.handle.net/11408/4680 |
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| author | Chitombo, Laurene Lebani, Kebaneilwe Sungirai, Marvelous |
| author_facet | Chitombo, Laurene Lebani, Kebaneilwe Sungirai, Marvelous |
| author_sort | Chitombo, Laurene |
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| description | The larval packet test (LPT) was used to investigate resistance in Rhipicephalus appendiculatus ticks to the amidine (amitraz) and organophosphate (chlorfenvinphos) chemical acaricides in different farming systems in Mashonaland West Province in Zimbabwe. The study results showed emerging resistance (ER) to amitraz in small-scale and commercial farming systems. The tick populations in communal farming systems were susceptible to both acaricides. A similar trend was observed for chlorfenvinphos, where ER was observed in the small-scale farming systems compared to communal and commercial farms. Furthermore, resistance ratios (RR) were higher for amitraz as compared to chlorfenvinphos. This study suggests that management practices, acaricide formulations, applications on cattle, intensity, and frequency of use could be pre-disposing factors for the emerging resistance towards amitraz observed in R. appendiculatus ticks found in small-scale and commercial farming systems. Amitraz is the most common and frequently used acaricides in all farming systems, and hence, resistance is developing much faster than organophosphates. There is a need to investigate further acaricide use and management practices in Zimbabwe's cattle farming systems to develop practical strategies for prevention and management of tick acaricide resistance. |
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| id | ir-11408-4680 |
| institution | My University |
| language | English |
| publishDate | 2022 |
| publisher | Springer |
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| spelling | ir-11408-46802022-06-27T13:49:06Z Acaricide resistance in Rhipicephalus appendiculatus ticks collected from different farming systems in Zimbabwe Chitombo, Laurene Lebani, Kebaneilwe Sungirai, Marvelous Acaricide Resistance Rhipicephalus appendiculatus Zimbabwe The larval packet test (LPT) was used to investigate resistance in Rhipicephalus appendiculatus ticks to the amidine (amitraz) and organophosphate (chlorfenvinphos) chemical acaricides in different farming systems in Mashonaland West Province in Zimbabwe. The study results showed emerging resistance (ER) to amitraz in small-scale and commercial farming systems. The tick populations in communal farming systems were susceptible to both acaricides. A similar trend was observed for chlorfenvinphos, where ER was observed in the small-scale farming systems compared to communal and commercial farms. Furthermore, resistance ratios (RR) were higher for amitraz as compared to chlorfenvinphos. This study suggests that management practices, acaricide formulations, applications on cattle, intensity, and frequency of use could be pre-disposing factors for the emerging resistance towards amitraz observed in R. appendiculatus ticks found in small-scale and commercial farming systems. Amitraz is the most common and frequently used acaricides in all farming systems, and hence, resistance is developing much faster than organophosphates. There is a need to investigate further acaricide use and management practices in Zimbabwe's cattle farming systems to develop practical strategies for prevention and management of tick acaricide resistance. 2022-03-11T11:18:51Z 2022-03-11T11:18:51Z 2021 Article 0049-4747 1573-7438 10.1007/s11250-021-02881-2. https://pubmed.ncbi.nlm.nih.gov/34368904/ http://hdl.handle.net/11408/4680 en Tropical Animal Health and Production;Vol. 53; No. 4 open Springer |
| spellingShingle | Acaricide Resistance Rhipicephalus appendiculatus Zimbabwe Chitombo, Laurene Lebani, Kebaneilwe Sungirai, Marvelous Acaricide resistance in Rhipicephalus appendiculatus ticks collected from different farming systems in Zimbabwe |
| title | Acaricide resistance in Rhipicephalus appendiculatus ticks collected from different farming systems in Zimbabwe |
| title_full | Acaricide resistance in Rhipicephalus appendiculatus ticks collected from different farming systems in Zimbabwe |
| title_fullStr | Acaricide resistance in Rhipicephalus appendiculatus ticks collected from different farming systems in Zimbabwe |
| title_full_unstemmed | Acaricide resistance in Rhipicephalus appendiculatus ticks collected from different farming systems in Zimbabwe |
| title_short | Acaricide resistance in Rhipicephalus appendiculatus ticks collected from different farming systems in Zimbabwe |
| title_sort | acaricide resistance in rhipicephalus appendiculatus ticks collected from different farming systems in zimbabwe |
| topic | Acaricide Resistance Rhipicephalus appendiculatus Zimbabwe |
| url | https://pubmed.ncbi.nlm.nih.gov/34368904/ http://hdl.handle.net/11408/4680 |
| work_keys_str_mv | AT chitombolaurene acaricideresistanceinrhipicephalusappendiculatustickscollectedfromdifferentfarmingsystemsinzimbabwe AT lebanikebaneilwe acaricideresistanceinrhipicephalusappendiculatustickscollectedfromdifferentfarmingsystemsinzimbabwe AT sungiraimarvelous acaricideresistanceinrhipicephalusappendiculatustickscollectedfromdifferentfarmingsystemsinzimbabwe |