AnatomyOrganismsDiseasesChemicals and DrugsAnalytical, Diagnostic and Therapeutic Techniques and EquipmentPsychiatry and PsychologyPhenomena and ProcessesDisciplines and OccupationsAnthropology, Education, Sociology and Social PhenomenaTechnology, Industry, AgricultureInformation ScienceHealth CareGeographicals
BreedingReproductionSexual Behavior, AnimalSeasonsAnimal MigrationNesting BehaviorFertilityGenitalia, FemaleBirdsSex CharacteristicsSongbirdsInbreedingCharadriiformesAnimal HusbandryCrosses, GeneticSelection, GeneticPasseriformesLitter SizePregnancySex FactorsGenetic VariationQuantitative Trait LociCrops, AgriculturalQuantitative Trait, HeritableGenetic MarkersModels, GeneticBody WeightGenotypePhenotypeMicrosatellite RepeatsPopulation DynamicsSheepCattleEstrusPopulation DensitySexual MaturationEnvironmentHelping BehaviorSex RatioDNA ShufflingEcosystemCopulationSocial DominanceSparrowsMating Preference, AnimalWeaningGenome, PlantSpheniscidaeOvipositionFalconiformesClutch SizeFeathersTime FactorsHybridization, GeneticSpecies SpecificityGeographyOvariectomyHousing, AnimalDisease ResistanceAgricultureGenes, PlantChromosome MappingAnestrusEndangered SpeciesInsect VectorsLactationOvulationPregnancy, AnimalEstradiolHerpestidaeVocalization, AnimalPhotoperiodProgesteroneChromosomes, PlantCondoms, FemaleOvaryCompetitive BehaviorSwallowsAnimals, DomesticTestosteroneAnimals, ZooBehavior, AnimalDNA, PlantLuteinizing HormonePair BondSocial BehaviorStarlingsAge FactorsLarvaInfertility, FemaleBody SizeAnalysis of VarianceGenetics, PopulationFeeding BehaviorAnimals, WildSwineArvicolinaeBiological EvolutionAllelesAedes