Objective To investigate the species composition of edible rodents and rodent-borne pathogens in some ethnic minority areas in Guizhou province, and to provide basic data for the prevention and control of rodents and rodent-borne diseases. Methods Edible rodents were preliminarily investigated through interviews with local ethnic minority people. Rodents were captured by the night trapping method in the mountainous forest areas of three counties and four towns in Qiandongnan Miao and Dong autonomous prefecture. Rodents were identified and dissected and the viscera were stored at -20 ℃ and transported to the laboratory. PCR was used to detect rodent-borne Leptospira, Hantavirus, and Yersinia pestis. Bacteria were isolated and identified from two intestinal samples. Results A total of 141 (20.74%) rodents were captured, which belonged to 2 families, 5 genera, and 10 species, and the most frequently consumed rodents were Berylmys bowersi and Niviventer coninga. Leptospira (positive rate, 13/48, 27.08%), Hantavirus type I (positive rate, 1/141, 0.71%), and Hantavirus type Ⅱ (positive rate, 18/141, 12.77%) were detected, while Y. pestis was absent (0/125). Four non-diarrheagenic bacterial species were isolated from the duodenum of B. bowersi, while two of the four bacterial strains isolated from N. coninga were diarrheagenic. Conclusion The dominant species of edible rodents in mountain forests are B. bowersi and N. coninga. These species are major hosts of Leptospira and Hantavirus and present a high risk of disease transmission. We suggest to strengthen the surveillance of rodents and rodent-borne diseases in this area, and pay attention to the publicity and education of rodent-borne diseases to reduce the risk of infection.
ZHOU Jing-zhu, LIU Ying, WU Yu-ying, TIAN Zhen-zao, WANG Yue, JIANG Wei-jia, LU Xian-hua, LI Shi-jun, LIANG Wen-qin
. A preliminary study on the species of edible rodents and rodent-borne pathogens in the Qiandongnan Miao and Dong autonomous prefecture, Guizhou province, China[J]. Chinese Journal of Vector Biology and Control, 2021
, 32(4)
: 432
-435
.
DOI: 10.11853/j.issn.1003.8280.2021.04.009
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