270 Research paper – Puterflam – 2017 – Alternatives to formaldehyde compounds for hygiene of Gallus gallus hatching eggs

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270 Research paper – Puterflam – 2017 – Alternatives to formaldehyde compounds for hygiene of Gallus gallus hatching eggs

In Significant Impact Groups:
Specific alternatives \ Other Biosecurity
Species targeted: Poultry;
Age: Young;
Summary:
Where to find the original material:
Country: FR
During cooling of freshly laid eggs, the porosity of the eggshell allows environmental microorganisms to penetrate the egg and it is a cause of poor health for chicks’. The presence of microorganisms on the shell, the time between laying and collection, and storage conditions of eggs can increase risk of contamination. The disinfection of hatching eggs is an effective way of prevention, but it is done several hours after laying, with some risk of bacterial proliferation. Therefore it is important to reduce the contamination of the eggs after laying and before their introduction in the hatching process. Several assays to test alternative practices to reduce bacterial contamination were done. Using air disinfection systems in the egg conveyor didn’t lead to decrease bacterial contamination on egg surface. However, quick isolation of freshly laid eggs from the rearing area led to a significant decrease of outer- and inner-shell bacterial contamination.