Have your cats and dogs got anxious? Do you see small tracks or tail trails on dusty floors, baseboards, shelves and smell a heavy musky odor indoors? Do you find Norway rat droppings that are blunt on both ends in the areas where you keep your food stuff? Have some wood and wooden items been gnawed? Indeed, the critters that are likely to enter your home are the Norway rats. Unfortunately, maximum “Yes” responses to the questions indicate that you have a serious indoor infestation. This article is for those who would like to kill Norway rats and to get rid of their pest problem once and for all.
How to get rid of really bad infestations of sewer rats
Hundreds of rats that reside in livestock farms, gardens, store houses, cellars, basements and inside the walls cause a great damage to belongings, structural materials and food supplies. It is useless to kill Norway rats on your own. In fact, traps, ratters and cats, customer use chemicals reduce the number of pests insignificantly. Besides, rodents multiply and replenish fast to restore their population.
The only effective option in this case is to hire professional rat exterminators. They use leading chemicals against anticoagulant resistant rats. In addition, chemical fumigation exterminates the rodents in the walls, burrows, crawlspaces, basements, cellars and other less accessible areas.
How to kill Norway rats on your own
There are several rat control strategies how to exterminate small infestations of rodents. First, start from keeping your home clean. It means you should get rid of available sources of food, water and shelter. Say “No” to mess and litter in your house, kitchen, garage, cellar and barn. This will repel rats from nesting indoors. Put food stuff in tightly sealed containers. Sweep up crumbs and scraps on the floor. Always put away food and pet food at night. Regularly take out garbage, clean trash cans and recycling containers. Seal cracks and holes, repair pipes, screens and air vents to block access of Norway rats into your home.
Less effective home remedies against rats
Homeowners typically use different types of traps to kill Norway rats. Glue traps can catch mice and young rats. Cage traps are humane as they do not kill the critters. Snap and steel traps can be effective for a few rats only after some days of being left unloaded. Ultrasound repellent apps or devices keep rodent away only for several days. Then, Norway rats will get used to the sound. DIY baits with crashed glass, steel wool and stucco, cement and asbestos won’t exterminate all the pests.
Chemical methods of rat extermination
Anticoagulants, rat poison and corn gluten products cause natural death of the contaminated rodents. Once ingested, rats won’t be able to eat, drink or breathe spontaneously and adequately just in several days. They will crawl out from their shelters outdoors to die. However, the problem is that rats become anticoagulant resistant fast. Thus, it is necessary to develop new chemicals.
Nowadays, commercially available baits contain poisons that are highly effective against warfarin-resistant Norway rats:
- diphacinone 0.005% (709-PN Bait Block Rodenticide Anticoagulant Bait by J T Eaton, Ramik by Neogen rodenticide, Tomcat Bait Pellet by Motomco, Liqua-Tox II liquid Concentrate, Answer by JT Eaton)
- bromadiolone 0.005% (Just one bite by Old Cobblers Farm, Just one bite II by Farnam, Blox by Contrac, Contrac Blox Rodenticide Mouse Control)
- brodifacoum 0.005% (Final Blox Rodenticide by Bell Labs, d-CON Bait station by Reckitt, Havoc XT by Neogen rodenticide, Talon Weatherblok XT Rodenticide by Syngenta)
- bromethalin 0.01% (Top Gun All Weather Bait by JT Eaton, Fasttrac Blox by Fastrac, Tomcat by Motomco, Cykill by Neogen rodenticide)
- difethialone 0.0025% (First Strike Soft Bait Rodenticide by Lipha Tech)
The most effective ways to kill Norway rats
Natural predators, such as cats and dogs living indoors and outside, kill Norway rats and protect human homes effectively. In practice, a rat-catching pet has been the well-tried remedy for ages.
Another way to get rid of Norway rats is to use high voltage electronic zappers. They are non-chemical and reliable trap boxes designed to prevent mistake electric shock to children and non-target animals. Electronic rat zappers are widely used indoors.
The best way to kill Norway rats is to use biological rodenticides. They contain rat-specific pathogens that evoke epizootic in colonies and reduce the population of rodents significantly. In addition, this strategy is environmentally friendly, non-toxic and harmless to non-target mammals and birds of prey.
Finally, you can exterminate small groups of rats using anticoagulants, ratters and traps. If infestation is more serious, seek a professional pest control help. How to protect your home and keep the Norway rats away from your yard and belongings read here. Liquid rat repellents based on unpleasant scents of ammonia or predator urine can be easily purchased nowadays.