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Ąžuolas Maštaras, head of the Kauno Grūdai Pest Control Department, reveals that this time of year inquiries from company representatives about the rodents established in the facilities are intensifying.
“It is natural, because when the weather cools down, rodents break into the premises. It is true that their search for a warmer refuge usually begins at the end of August. Therefore, I would recommend starting to think about prevention already then, because it is too late in the autumn, many of them are brought to the premises and are noticed when there are already large quantities and the damage is clearly visible ”, says A. Maštaras, says the report.
True, he also points out that companies often think they can solve the rodent problem on their own. “It is still a mistake to think that the extermination of rodents is an extremely simple process that almost anyone can deal with. Representatives of various companies and institutions, noticing that mice or even rats have been introduced into their facilities, want to take action that really require a professional job without expecting anything ”, says the expert.
As a. Maštaras, when it comes to rodents, often lacks the knowledge to correctly identify rodents, choose the right baits, their shape according to the environment or the situation, which leads to the following mistakes, such as incorrect placement of traps and adhesives or all the necessary measures at the same time.
“We are receiving a lot of inquiries about the possibility of buying poison. However, it is questionable whether the person who acquires them really knows what form and quantity of baits are needed, and how to use them properly so that they do not spoil, so as not to harm uncontrolled animals in the surroundings, etc. We observe that often the customer eventually returns to us after failures, asking for a fundamental solution to the problem. Not only that, after such attempts, the problem is not only left unsolved, but also incurs economic losses ”, says the expert.
Seal the openings
Prevention is needed to avoid the inconvenience associated with various rodents. Proper sealing of facilities is very important. To prevent rodents from entering the interior of the building, it is first necessary to seal cracks, gaps, gaps and ventilation openings in the walls, gaps between doors and other similar places. Cracks in the walls should be sealed with a plaster mix to prevent rodents from biting them again. Ventilation openings in walls should be covered with metal mesh with a “hole” size of no more than 5x5mm, and rubber gaskets on lift gates and exterior doors should be carefully inspected for cracks when closed.
However, even if the building is carefully sealed from the outside at the bottom, we cannot rule out the possibility of rodents entering the building from the top. It is not uncommon for rodents to climb a porous vertical wall to roof structures in search of food or shelter for the winter and enter the premises through the cracks.
The possibility also arises when, even for a short period of time, ramp or garage doors are raised, unloading and loading work is performed, and automobiles enter or exit. It is probably not possible to list all situations, because they are always different, but one factor is usually the same: rodents usually settle where there are sources of food and water. If there is food in the company, the rodents will try to reach the premises in every possible way. Therefore, sealing may not help in this case, so other measures are necessary.
Exterior – bait boxes, interior – traps
The inventory used is very important in rodent control. Special bait boxes are generally used outside of buildings. The boxes are necessary so that the bait does not get wet and cannot be eaten by other animals that we do not intend to destroy.
They are fixed to the wall of the building, or to the pavement, or to the ground to the wall of the building so that uncontrolled animals cannot take them away, or turn them over and try to reach the bait. The bait is also attached to the inside of the box with a special rod so that rodents cannot pull it out or it will fall off when the box is turned over.
Indoor traps are used indoors and, in the case of high levels of contamination, adhesives.
Live traps can trap multiple rodents at the same time, and sticky traps are suitable where traps technically cannot be placed: in tighter spaces, crevices, small spaces.
When to expect a result?
Outside the buildings, the rodent control process is not fast, after eating the bait, the rodents do not die immediately, it can take 3 to 7 days from the first meal to the death of the rodent. The decrease in the rodent population is a slow process and, depending on the environment in which the buildings are located and the level of contamination of the buildings and neighboring areas, it can take several months, but the first results are already noticeable after a week.
When working in a complex way, the process inside buildings is usually faster because fewer and fewer rodents enter from the outside. Indoor rodents are usually trapped within a few days using traps and sticky media, so positive changes are noticeable after a few days.
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