QuailCensusesCoturnixColinusResidence CharacteristicsSmall-Area AnalysisSocioeconomic FactorsChick EmbryoPoverty AreasUnited StatesGeographic Information SystemsChimeraDemographyMortalitySocial ClassBird DiseasesOviductsFeathersChickensOvomucinIncomeEmbryo, NonmammalianPovertyBirdsDucksAvian ProteinsHousingUrban PopulationWalesGeographyUrban HealthOncogene Protein p55(v-myc)GalliformesBlastodermPopulation DensityIncidenceCultural DeprivationContinental Population GroupsEgg ShellData CollectionEnglandEthnic GroupsAge DistributionHealth Status DisparitiesVital StatisticsInfant, NewbornGeographic MappingNeural CrestCloacaPopulation SurveillanceAvian Sarcoma VirusesUnemploymentMaps as TopicCaliforniaLife ExpectancyAfrican AmericansEgg ProteinsOccupationsSpace-Time ClusteringAlpharetrovirusEuropean Continental Ancestry GroupRisk FactorsBuilding CodesRural PopulationSpecies SpecificitySex DistributionPoisson DistributionElectric WiringHispanic AmericansAvian leukosis virusInfluenza in BirdsHealth SurveysAge FactorsOvipositionMesodermPigmentation