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Insights in viral load
Who doesn’t want a good start for their broiler flocks? It all begins with healthy chicks in a clean house. Pathogenic micro-organisms are a continuous threat for broilers health as they can cause illness, immunosuppression and poor performance. GD developed a test to check if broiler houses have a low viral load at the start of a new cycle.
The number of cleaning and disinfection protocols is endless, the same for the used chemicals. A check of the efficacy is often missing, mainly because tools are lacking. Visual inspection doesn’t give information on the success of the disinfection. Bacterial sampling and ATP-testing provides more information about the disinfection result regarding bacteria, but representativeness is questionable as only very small parts of the broiler house are sampled.
With the VIR-check you are able to test the prevalence and viral load of five contagious and resistant intestinal viruses: rotavirus A and D, chicken astrovirus, avian nephritis virus 3 and reovirus. Broilers around the age of six to seven days with a high viral load in their intestines have likely been subjected to viruses at a very young age. A field study in Dutch poultry showed that approximately 100 percent of the flocks tested positive on these viruses at the end of the cycle, except for rotavirus D: only 50 percent of the flocks were positive.
To participate in the VIR-check you can take six cloacal swabs at age 6-7 days. The swabs can be pushed on one spot of an FTA-card. The VIR-check provides a good indication of the viral load in the house at the arrival of the chicks. The results are transformed by a formula into the so called VIR-check score. You will receive the results in a clear report with a brief explanation, the test results and a visual representation of the score. The costs of the VIR check are 89 euros excluding VAT.
Are you interested in the VIR-check? Please contact GD support for more information.
Example test results
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