GermanyCookingChick EmbryoOriganumMeatSpicesDepsidesFood HandlingRestaurantsFood MicrobiologyYersiniaFood ContaminationMeat ProductsEscherichia coli O157Clostridium perfringensDisease OutbreaksMesodermEscherichia coli InfectionsCattleSalmonellaHeartMorphogenesisIn Situ HybridizationGene Expression Regulation, DevelopmentalTime FactorsRisk Factors