Research by means of the GD VIR-Check is a method to assess the entire cleaning and disinfection process. Six cloacal swabs per house are taken at the age of 6 to 7 days. These are tested for 5 naked viruses, which are difficult to remove from a barn. These are also the viruses which the chicks come in contact with first and which are at the highest level on day 6-7.
Studies using this method show that there is a correlation between the quality of cleaning and disinfection and the technical figures.
A reduction of the VIR score by 60 points results in:
In this example, this technical improvement yields about 11.7 cents per broiler. Of course, the starting prices may vary.
In order to achieve this, the following issues are crucial:
In order to maintain the better results, it is necessary to have a preventive cleaning and disinfection protocol. Do not act only when the disease pressure has caused (too much) technical and financial damage. A company-specific protocol should be drawn up for this.
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