干旱区生态环境知识资源中心(Arid): The impact of mosquito proof lids of underground tanks tanka on the breeding of Anopheles stephensi in a village in western Rajasthan, India

Arid

DOI	10.1186/s12936-021-03939-0
	The impact of mosquito proof lids of underground tanks tanka on the breeding of Anopheles stephensi in a village in western Rajasthan, India
	Singh, Himmat; Gupta, Sanjeev Kumar; Vikram, Kumar; Saxena, Rekha; Sharma, Amit
通讯作者	Singh, H (corresponding author), ICMR Natl Inst Malaria Res, Sect 8 Dwarka, Delhi 110077, India.
来源期刊	MALARIA JOURNAL
EISSN	1475-2875
出版年	2021
卷号	20 期号:1
英文摘要	Background Western Rajasthan in India has a typical desert climate. Until the introduction of the canal water irrigation system, malaria was an unstable and seasonal occurrence. Due to the scarcity of water, the community practised having one large underground tank (locally known as the tanka) in their house to collect rainwater for long-term household use. Anopheles stephensi, one of the major malaria vectors, breeds in improperly covered tankas if not properly covered and harbours a vector population throughout the year. Methods Two villages, Ajasar (intervention) and Tota (control), with similar ecological features, were selected for the study. A pre-intervention survey was carried out in both villages to assess the presence and quality of lids of tankas, and mosquito breeding and adult mosquito density. Awareness of the community about malaria and mosquitoes was also assessed during the pre-intervention period. In the intervention village, damaged or improper lids were replaced with improved mosquito proof polyvinyl chloride plastic (PVC) lids and lasted longer than the conventional lids. The fitness of the lids was assessed one year after the pre-intervention survey. The entomological assessment was carried out in both intervention and non-intervention villages. The level of community awareness about malaria, mosquitoes, their breeding places, and the role of tankas in malaria transmission was assessed both during pre- and post-intervention. Results During the pre-intervention survey,Anopheles breeding was found in 22.1% (58/262) of tankas in the intervention village and 27.1% (19/70) in tankas in the control village. Mosquito breeding was observed in the tankas with iron lids in the intervention village (48.3%) and the control village (42.1%). In the intervention village, out of 262 tankas in the village, 200 lids were replaced, resulting in the complete absence of mosquito breeding. In the pre-intervention survey conducted in May 2018, Anopheles stephensi consisted of 46% of adult mosquitoes in the intervention village and 55% in the control village. Its density was significantly reduced to 0.55 per man-hour (94.95%) and 0.22 per man-hour (97.8%) in the post-intervention survey in June 2018 and a follow-up survey in May 2019, respectively, in the intervention village. Discussion The density of Anopheles stephensi adults was reduced significantly (97.8%) in the intervention village due to complete prevention of breeding in the underground tankas in the intervention village as compared to the control with no density reduction. The awareness level of the community was also improved due to their involvement in the study. Conclusion Provision of proper metal lids or replacement of damaged lids on underground water storage tanks as an environmental management approach prevented the breeding of the malaria vector, Anopheles stephensi, in a desert village in western Rajasthan.
英文关键词	Malaria Tankas Western Rajasthan Anopheles stephensi
类型	Article
语种	英语
开放获取类型	gold, Green Published
收录类别	SCI-E
WOS记录号	WOS:000708882200003
WOS关键词	THAR DESERT ; MALARIA ; VECTORS ; STATE
WOS类目	Infectious Diseases ; Parasitology ; Tropical Medicine
WOS研究方向	Infectious Diseases ; Parasitology ; Tropical Medicine
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/364135
作者单位	[Singh, Himmat; Gupta, Sanjeev Kumar; Saxena, Rekha; Sharma, Amit] ICMR Natl Inst Malaria Res, Sect 8 Dwarka, Delhi 110077, India; [Vikram, Kumar] Indian Council Med Res, POB 4911, New Delhi 110029, India
推荐引用方式 GB/T 7714	Singh, Himmat,Gupta, Sanjeev Kumar,Vikram, Kumar,et al. The impact of mosquito proof lids of underground tanks tanka on the breeding of Anopheles stephensi in a village in western Rajasthan, India[J],2021,20(1).
APA	Singh, Himmat,Gupta, Sanjeev Kumar,Vikram, Kumar,Saxena, Rekha,&Sharma, Amit.(2021).The impact of mosquito proof lids of underground tanks tanka on the breeding of Anopheles stephensi in a village in western Rajasthan, India.MALARIA JOURNAL,20(1).
MLA	Singh, Himmat,et al."The impact of mosquito proof lids of underground tanks tanka on the breeding of Anopheles stephensi in a village in western Rajasthan, India".MALARIA JOURNAL 20.1(2021).