Objective By investigating the efficacy of aerial control on Ochotona curzoniae with rodenticide, the feasibility of aerial control on rodent infestation in Tibetan Plateau was discussed. Methods Helicopter was used to sow the rodenticide (Diphenoxylate-Barium sulfate) in Beishan country, Menyuan, Qinghai, in October 2016. The total rodent control area was 1 000 hectares. Line-transect method was used to investigate the population density of Ochotona curzoniae. One-way ANOVA was used to test the differences of population density of plateau pika before and after aerial control. Results Eighty-five percent of rodenticide were consumed on the 5th day after being applied in the wild, all pikas died after 4 days of feeding the rodenticide in the laboratory. Pikas density declined by 74.67% one week after the aerial control in the wild. Conclusion The aerial control using Diphenoxylate-Barium sulfate is a feasible method to control plateau pikas on the Tibetan Plateau.
JIAO Xiu-jie, TAN Chun-tao, LI Tao, LI Xu-xia, QU Jia-peng
. Efficacy of aerial application of rodenticide to control plateau pika (Ochotona curzoniae)[J]. Chinese Journal of Vector Biology and Control, 2018
, 29(5)
: 488
-490
.
DOI: 10.11853/j.issn.1003.8280.2018.05.017
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