Animals, Inbred StrainsMice, Inbred StrainsAnimals, Outbred StrainsSpecies SpecificityMice, Inbred DBAMice, Inbred C57BLCrosses, GeneticChromosome MappingMice, Inbred C3HQuantitative Trait LociMice, Inbred AKRPhenotypeMice, Inbred AInbreedingRats, Inbred StrainsChromosomes, MammalianSequence Analysis, DNAMuridaeGenetic LinkageMice, Inbred BALB CGenetics, BehavioralGenetic VariationGenotypeMice, CongenicRecombination, GeneticDisease SusceptibilityMice, Inbred CBAAllelesMutationRNA, Ribosomal, 16SDisease Models, AnimalHybridization, GeneticMolecular Sequence DataDNA, RibosomalGenesBacterial Typing TechniquesFlurothylGenes, BacterialEscherichia coliQuantitative Trait, Heritable