This standard stipulates the control level and the corresponding evaluation methods for the density of rats in cities and towns. This standard applies to the evaluation of rodent control effects in cities and towns.
GB/T 27770-2011 Referenced Document
GB/T 23798 Surveillance methods for vector density.Rodent
GB/T 27770-2011 history
2011GB/T 27770-2011 Criteria for vector density control.Rodent