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Mouse Plague: A Terror to Australia

Mouse Plague: A Terror to Australia

Mouse plague might sound unusual and peculiar to some as it doesn’t happen anywhere except in China and Australia. In the year 1993, Australia faced the worst-ever mouse plague. The plague caused huge damage, an approximate estimation reads around $96 million worth. 

Rodents, especially rats, bring serious losses and heavy damage to food crops in several nationals across the world. In the continent of Australia, it takes a devastating form when a mouse plague occurs and also all through the other times of the year. 

The house mouse or Mus domesticus poses a serious threat and is a menace to agriculture in Australia. They heavily damage the agricultural crops across the length and breadth of Australia when a mouse plague strikes.  

Mouse plagues are common in grain-growing parts of this continent. The very first mouse plague occurred in 1904. The plague keeps striking the continent once every 7 years.

On-farm impacts

On-farm impacts encompass the following

  • Heavy damage to crops at almost all its stages, including sowing, tillering, and harvest. 
  • It also damages and contaminates stored grain. 
  • Rats and mice transmit diseases to livestock, by gnawing them. 
  • In piggeries and poultry sectors, the rodents contaminate their food adversely affecting their health and rates of production. 

Off-farm impacts

The adverse impact of rats and mice infestation is also noticeable outside the farm industry.

  • Rodents damage an extensive range of intensive animal holding facilities, like electrical equipment, insulation, and infrastructure. 
  • Expenditure incurred for recruiting labour to clean up the mess caused by rodents 
  • Expenses incurred for hiring mice and rats pest control experts
  • Losses incurred due to the spoiling, and contamination of eateries and food retail outlets, food storage facilities, accommodation venues, corporate venues, academic institutions, healthcare facility units, 


Stages of Mouse Plague

It is observed that mouse plagues develop in 4 stages. 



Stage 1 

Also known as the low phase, here the density of rodents is less than 10 mice/ha in all habitats.  

Stage 2 

A rapid increase in the abundance of mice is noticed here. The range might read from 10 mice/ha to 100 mice/ha in all habitats.  

Stage 3 

This is the most frightening phase where the population of mice peaks. The phase generally comes around winter when the abundance is at its highest. The count surpasses 1,000 mice/ha in all habitats.  

Stage 4 

The density relaxes and somewhat crashes to the lowest point here at this phase. Better known as the decline phase, the rodent density sharply declines to even less than 1 mouse/ha in all habitats.  This stage might stay persistent for up to 2 years 

It would be interesting to note that the density of rodents (rats and mice) is at its peak in autumn and early winter. It indicates the fact that the damage to farm and off-farm sectors typically is extreme during the sowing time of the winter cereals. On the other hand, it is during the month before harvest in case of summer crops.

Wrapping up

Rodent (rats and mice) abundance management practices in Australia generally is more reactive. The Government distribute massive amounts of poisons to kill the mice during mouse plagues. More concrete plans and measures are necessary to control mouse damage. 


Better pest control management all throughout the year might help to avoid the abundance reaching the stage where it becomes a mice plague that threatens the food supply and quality of life across Australia. 

Check our latest blog “Can Pests Disbalance the Ecosystem?

Protect Property Against Possible Threats with Mice and Rats Pest Control

Protect Property Against Possible Threats with Mice and Rats Pest Control 

Your house should not be a welcoming space for disease-carrying rodents. Protect your property against them with pro-grade mice and rats pest control Melbourne services. Seek professional help for assured protection against them.

You should not tolerate the staying of rats and mice at your place because they bring you harm. They are not some innocent little creatures in need of your mercy and hospitality. 


Possible Problems 

They will chew through almost all things chewable at your home. They will chew through your concrete walls, piping, and even wires. Their ability to chew through electrical wires can cause fire accidents at your home, endangering the lives of your loved ones and destroying your belongings. 


Rats and Mice can chew through almost all building materials. If ever any rat at your home conceives, be prepared to spot several mice tiptoeing your entire property soon. It means more damage. 


These rodents also have a tendency to mess with your food items. They contaminate your food and can cause serious food infections among your family members, leading to fatal incidents in extreme cases. The failure to seek immediate medical attention can cause a threat to lives. 


Health Threats

The droppings of rodents are yet another sources of serious food infections and other concerning health concerns at your property. Their droppings are highly toxic and if your pet swallows or licks it can harm them significantly.  


Rodents are carriers of tons of diseases. There are three ways by which rats spread diseases to the humans of the house/office they invade in-

  • Exposure to rodent waste like their saliva, urine, and faeces.
  • Direct handling of rodents without protection
  • Bites from infected rodents


Some common diseases that necessitate seeking mice and rats pest control services are

  1. Plague
  2. Lasa Fever
  3. Omsk Hemorrhagic Fever
  4. Rat Bite Fever
  5. Hantavirus
  6. Leptospirosis
  7. Colorado Tick Fever
  8. Salmonella
  9. Lymphocytic Chorio-meningitis 
  10. Cutaneous Leishmaniasis
  11.  Tularemia
  12. Leptospirosis


Now, decide yourself if you would like to shelter them at your place by putting your life in danger! Seek professional mice and rats pest control to help your family and yourself stay safely at home.


Professionals Know the Best

Professionals know how to handle the situation with care. Rats and mice may be smart and sneaky enough to escape your grip but not the same we can say about with professional intervention. 


They use lot many tools, smart techniques, and are alert enough to deal with the situation tactfully. Several pest control service providers are there but not all deserve your attention. Reputable organizations have been in the field for a longer time. They know all the recent developments and breakthroughs in this specialized service field, where they can better handle the pestering situations. 


Do not try to do it on your own. There are certain disease-causing viruses found in the body of rodents that spread from skin to skin through humans. If direct exposure to rodents contaminates your skin, you will catch the infectious disease. So, it is necessary that you call professional pest controllers. 


Pledge to protect your family against pests via professional means always!