Rodenticides

What is a rat poison

A type of pesticide used to control and eliminate rodents. They are usually formulated to attract these animals, which, when ingested, suffer toxic effects that eventually cause their death. Before acquiring a rodenticide, the following aspects should be taken into account:

Composition: active ingredient containing.
Presentation: block, fresh bait, granulated, cereal, etc.
Palatability: the ability to attract rodents.
Safety: the use of bait holders is required.

Especialistas en control de plagas y de roedores. Desratización profesional.

Composition of rat poison

We can divide rodenticides into 2 main categories:
  • Non-anticoagulants: bromethalin, zinc phosphide, cholecalciferol, strychnine, etc.
  • Anticoagulants: warfarin, brodifacoum, difenacoum, bromadiolone, etc.
The most effective active ingredients are 2nd generation anticoagulants, they also have a higher risk of secondary toxicity (i.e. when an animal that eats a poisoned rodent is also affected). We recommend the use of the active ingredient brodifacoum, which is 5 times more effective than bromadiolone. With only 2 ingestions the rodent dies and prevents them from reproducing. Other rodenticides need more ingestions and manage to eliminate the rodents, but they have already reproduced. It is lethal between 48 and 72 hours maximum, with a maximum of 2 ingestions. Other active ingredients (bromadiolone) need more ingestions to kill the rodents and they manage to reproduce and we do not close the cycle.

What type of rodenticide should be chosen?

Rodenticides come in different formats: fresh bait, block, pellet, liquid or granulated. We will list the advantages of the 2 most frequent types of rodenticide presentation: fresh bait and block. The choice will depend on the circumstances of each case: maintenance, infestation, environment, presence of other foodstuffs, etc. Advantages of fresh bait
  1. High palatability: high attraction, it is very appetizing for rodents. Attraction even in the presence of other foods.
  2. Effectiveness in severe infestations: the great attraction allows to cut the cycle very quickly.
Advantages of the block
  1. Durability: it has a long shelf life and avoids maintenance.
  2. Resistance: withstands humid and wet environments.
  3. It does not attract insects that could eat the active ingredient.

Rodenticide bait holder

Rodenticides contain toxic ingredients, and we must take extreme precautions, following the manufacturer's instructions at all times and ensuring that they are kept out of the reach of children and animals. Also, rodenticides can have an impact on the environment and groundwater. For these 2 reasons we must use bait holders or bait stations to reduce the risk of accidental exposure and avoid environmental damage.