Embryo, MammalianBlastocystEctogenesisEmbryo Culture TechniquesSus scrofaSwineParthenogenesisEmbryonic DevelopmentFertilization in VitroMorulaChick EmbryoNuclear Transfer TechniquesIn Vitro Oocyte Maturation TechniquesBlastomeresCulture TechniquesZygoteEmbryo TransferEmbryo, NonmammalianCloning, OrganismCleavage Stage, OvumBlastocyst Inner Cell MassCulture MediaPregnancyOocytesEmbryonic and Fetal DevelopmentCryopreservationNucleic Acid Synthesis InhibitorsZona PellucidaEmbryo ImplantationGene Expression Regulation, DevelopmentalCell Transformation, NeoplasticMesocricetusCricetinaeBenzopyrenesEmbryo LossBenz(a)AnthracenesCell Transformation, ViralRabies VaccinesCell LineCells, CulturedAvian Sarcoma VirusesOncogenic VirusesBenzo(a)pyreneVirus CultivationNewcastle disease virusMethylcholanthreneUridineEmbryo DispositionArbovirusesTritiumRabiesDNAZebrafishPolyomavirusRed CrossTime FactorsGastrulaSeedsClone CellsAvian leukosis virusBody PatterningLeukemia Virus, MurineNeoplasms, ExperimentalCell DivisionBase SequenceAKR murine leukemia virusIdoxuridineMolecular Sequence DataIn Situ HybridizationThiepinsContact InhibitionMutationSarcoma 37Embryo ResearchMorphogenesisVirus ReplicationRNA, MessengerSingle Embryo TransferCytopathogenic Effect, ViralAlpharetrovirusPhenotypeMesodermThymidineQuailRadiation EffectsFluorescent Antibody TechniqueCell NucleusEncephalomyelitis, EquineSarcoma, ExperimentalInterferonsSimian virus 40EctodermMice, Inbred AKRViral InterferenceCarcinogensDNA, ViralCytoplasmZebrafish ProteinsPregnancy RateViral Plaque Assay