ChickensPhenotypeChick EmbryoPoultry DiseasesMolecular Sequence DataMutationBase SequenceChicken anemia virusAmino Acid SequenceBursa of FabriciusAvian ProteinsCloning, MolecularCells, CulturedRNA, MessengerGenotypeMarek DiseaseAvian LeukosisSpecies SpecificityCell DifferentiationChromosome MappingCell LineAllelesGene Expression Regulation, DevelopmentalAvian leukosis virusInfluenza in BirdsSequence Homology, Amino AcidGene Expression RegulationTranscription FactorsDNAGene ExpressionSequence Analysis, DNAFibroblastsPolymerase Chain ReactionMice, Inbred C57BLTranscription, GeneticSignal TransductionGene DeletionMice, TransgenicGizzardReverse Transcriptase Polymerase Chain ReactionDucksGenetic Complementation TestDNA PrimersMice, KnockoutDNA-Binding ProteinsSequence AlignmentPedigreeDNA, ComplementaryGenesPoultry ProductsPhylogenyImmunohistochemistryGene Expression ProfilingCrosses, GeneticNewcastle DiseasePlasmidsDisease Models, AnimalTransfectionVirulenceCloacaGenetic VariationTime FactorsTurkeysAlpharetrovirusMembrane ProteinsPromoter Regions, GeneticCell DivisionInfluenza A Virus, H9N2 SubtypeIn Situ HybridizationFeathersGenetic LinkageCell Transformation, NeoplasticOviductsLiverDNA Mutational AnalysisSpecific Pathogen-Free OrganismsEscherichia coliImmunophenotypingMeatErythrocytesBacterial ProteinsMusclesAvian Sarcoma VirusesSequence Homology, Nucleic AcidPoultryCampylobacter jejuniComb and WattlesHomozygoteFluorescent Antibody TechniqueQuailCoturnixModels, GeneticHeterozygoteMutagenesis, InsertionalCarrier ProteinsEggsBlotting, WesternNewcastle disease virusCampylobacter InfectionsInfectious bursal disease virus