Rodent control in the hobby garden by rodenticides

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Rodenticides are chemical agents for rodent control. Since they are meant to kill mammals, they are also dangerous for humans. Rodenticides require a certain amount of experience and expertise to protect the environment and its creatures, which should not be fought by Rodentitude.
A rodent control can be carried out in various areas, such as in the outer and inner areas of residential complexes, in sewers or in uninhabited and inhabited buildings. If you are not able to eliminate the pest infestation yourself, please contact a pest control company or the health authorities.
General for rodent control
There are about 14 different toxic agents for rodent control in the trade, the 5 most common ones are:

  • warfarin
  • flocoumafen
  • Bromadiolon
  • brodifacoum
  • difenacoum
Rodent control on fields, in the greenhouse and also in forests is carried out with various pesticides. Plant protection rodenticides often have the same active ingredients as biocidal agents. However, the organisms to be controlled differ. For example, the vole is combated with pesticides and the migration rate, but also the house mouse with biocides. By the way: The muskrat is usually successfully fought with traps instead of biocides.
Most important measure in the garden: Prevention!
Basically there are rodents only where they can live well. For this they need food and opportunities for nesting. Especially on land that is heavily verwildert they feel the rodents well.
The best preventive measures are therefore:
  • The food and especially animal feed should be inaccessible to the animals. They should also be in sealed containers.
  • Regularly empty your garbage cans and make sure they are always well closed.
  • Never leave any scraps of food and dispose of them only in closed composting plants.
  • Also disposed of via the sewage food can attract pests.
The food for the pets should also not stop. Feed them only as much as their animals eat. Put the rest back in the closed container.
Alternatives for biocides
The most common alternative for the use of pesticide toxins is the setting up of traps. Paradoxically, according to animal welfare, only living and falling traps are allowed here. Klebefallen are forbidden according to animal protection in Germany.
In addition, the Animal Welfare Act states that the traps must be checked at least every 8 hours. Of course, if a live trap is used, the rodent must be kept sufficiently far away from the garden. If you are using live traps please keep in mind that when the animals are abandoned, only another habitat (possibly the neighbor) is colonized, so the rodent problem is not eliminated, but only misplaced. Especially brown rats, but also other rodents, are very difficult to catch with traps. In this case, the use of toxins is often essential. Another alternative is ultrasound equipment intended to drive the animals away. So far, however, there are no studies on the effectiveness of these devices.
Environmental and health risksRodenticides are dangerous toxins. You can endanger non-target organisms such as pets or even small children. In addition, rodenticides must not be allowed to enter waters. But even for adults, these biocides are dangerous. Please be sure to follow the instructions for use. Most of these agents are colored with warning colors and provided with bitter substances, so that unintentional ingestion by humans is avoided. Please take care to use rodenticides only in bait stations that are inaccessible to children and pets. The lures must be disposed of in pollutant collection points and never in the household waste.
Conclusion: The most important thing about rodenticides
  • The chemical agent rodenticide is used to control rodents. It is used in feeding lures and fumigating rodent entrances. The active ingredients include coumarins, warfarin, bromadiolone, difenacoum and brodifacoum. In the earth, these substances together with the moisture of the earth form phosphine. This spreads as a respiratory poison in the underground passageways of rodents and kills them.

  • Since phosphine is highly flammable and can form a potentially explosive atmosphere in the air, it must not be used near surface waters. In Germany, fumigation is therefore even subject to authorization.

  • Rodenticides are a much less dangerous food poison, but kill people, birds, game and fish.Therefore, these drugs must not only be stored child-safe, but also be provided with warning signs. In addition, a suitable cover must be created to ensure that it can not be eaten by other animals. Basically, this poison must not be used near surface waters.


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