ISSN 1003-8280 CN 10-1522/R 中国疾病预防控制中心 主办
Chinese Journal of Vector Biology and Control >
Investigation and analysis on the blood feeding hosts for vector Phlebotomus wui in desert-type kala-azar of Tarim basin
Received date: 2014-10-28
Online published: 2015-04-20
Supported by
Supported by the National Natural Science Foundation of China(No. 30460120, 30760217)
Objective To investigate hosts of blood meal for vector Phlebotomus wui in desert-type kala-azar of Tarim basin, and analyze interrelation between the reservoir hosts of desert-type kala-azar and the vector. Methods To survey the host species at the period of vector activity in serious epidemic area of desert-type kala-azar of Tarim Basin, catch P. wui of the kala-azar vector, and pick out no blood-sucking female of P. wui. The tests of blood-sucking with P. wui were conducted on five species of the locally available wild animals which were in free activities (free group) and two species of the animals whose activities were restricted. Results Mainly locally available wild animals were tarim hare (Lepus yarkandensis), Hemiechinus auritus, Salpingotus kozlovi, Dipus sagitta and Meriones meridianus. P. wui only fed on L. yarkandensis and H. auritus in the free group, the blood-sucking rates were 9.5% and 3.3%, the others were zero. All the restricted animals, blood feeding on which did not occur when allowed to feed on free moving animals, were fed by P. wui, the blood-sucking rates were 24.6% and 2.4%. Blood-sucking locations were hairless parts of the animals. Conclusion The main factors influencing on P. wui blood-sucking in free group was determined by the hairless area size exposed and body activity of the animals. When the moving activities were limited, the blood-sucking rate rose immediately. The blood-sucking tests found out species of blood-supply animals, the blood-sucking location of the animals, the time of blood-sucking, and the influencing factors of blood-sucking. Through analyzing habitats between tarim hare and vector P. wui, as well as the blood-sucking tests, it is thought that the tarim hare is the main blood supply animal for P. wui of the kala-azar vector and the reservoir hosts in the desert type kala-azar of Tarim basin.
LIAO Li-fu, BATE Wu-so, ZHANG Jian-min, YAN Shun-sheng . Investigation and analysis on the blood feeding hosts for vector Phlebotomus wui in desert-type kala-azar of Tarim basin[J]. Chinese Journal of Vector Biology and Control, 2015 , 26(2) : 151 -154 . DOI: 10.11853/j.issn.1003.4692.2015.02.011
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