Some cropping regions are reporting high levels of mouse activity, while rodents appear to be less of an issue in other areas.
Related: Record investment into mouse threat
The CSIRO’s Steve Henry said the vast majority of graingrowers who attended industry workshops in SA and Vic earlier this year reported significant mice populations in paddocks already and were concerned about the increased potential for damage at sowing this year.
“The threshold for economic damage is 200 mice per hectare and if growers are already seeing mice it will not be long before they start to cause economic damage – that is very concerning at this early stage in the lead up to sowing.”
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