[Anne-Christine Lefort]

What is the role of animated vectors in the spread of Salmonella and Campylobacter ?

[Clara Marin]

Biosecurity includes action plans to prevent and control Salmonella and Campylobacter from entering the breeder and broiler houses, including strategies to prevent and control wildlife. However, rodents (rats and mice) can be a significant source of Salmonella and Campylobacter in farms and the surrounding areas. For this reason, we have to apply accurate measures to control it.

1. Traps and baits should be used inside and outside the house and checked regularly. The poultry house is full of food; if the baits are in bad condition, the rodents will never feed on them.Also, rodents are very intelligent, and if these baits are not changing in texture, colour, location, they will not eat them. Because they will know that another rodent has eaten from there and died, and they will not eat it.

2. In addition, always look for burrows. Know where they hide and eliminate them. They will never be inside the house, but very close to it, in its surroundings.

3. By eliminating weeds and debris on the farm, we eliminate hiding places for these and other pests.

[Anne-Christine Lefort]

Thanks, what about darkling beetles ? Can you suggest some efficent products/measures to eliminate them ?

[Clara Marin]

Historically, control measures have been based on the use of chemical insecticides (usually pyrethroids, carbamates or organophosphates), which, due to their toxicity characteristics, could only be used when animals are not present.

These days is essential to use in rotation molecules belonging to new families and which do not present cross-resistance with the most commonly used ones; molecules that present very low or no toxicity and which, of course, are authorised for use in the presence of animals so that there is no risk of toxicity or residues in meat; whose activity is adulticidal and larvicidal at the same time in order to control all the mobile forms of the life cycle.

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