SheepSheep DiseasesBird Fancier's LungSheep, DomesticBreedingReproductionHelping BehaviorTerritorialityPoultry DiseasesAlveolitis, Extrinsic AllergicHerpestidaeMole RatsHierarchy, SocialHydroxycorticosteroidsAnimal HusbandrySexual Behavior, AnimalSheep, BighornOvipositionChickensColumbidaeSocial DominanceNesting BehaviorSeasonsPasseriformesInbreedingJaagsiekte sheep retrovirusGoatsCattleCichlidsCrops, AgriculturalParrotsDairyingAnimals, LaboratoryCooperative BehaviorThymic Factor, CirculatingIntradermal TestsDermatitis, OccupationalPopulation DensityGenetic VariationScrapieAnimal DistributionFowl adenovirus APrecipitinsPregnancyAgricultural Workers' DiseasesGenotypePoultryFertilityPhotoperiodSongbirdsCharadriiformesInsemination, ArtificialMicrosatellite RepeatsSulfanilamidesAgricultureQuantitative Trait LociSpecies SpecificitySelection, GeneticAbattoirsBody WeightCrosses, GeneticRodent DiseasesGoat DiseasesSalmonella Infections, AnimalPulmonary Adenomatosis, OvinePopulation DynamicsWoolEggsFetusAnimal FeedQuantitative Trait, HeritableBehavior, AnimalLitter SizeProgesteroneBirdsPhenotypeTime FactorsGenetic MarkersSexual MaturationSaccharumOvulationModels, GeneticRumenTestisGenotyping TechniquesSerum GlobulinsArvicolinaeZea maysHousing, AnimalAgingLuteinizing HormoneTriticumSalmonellaSwineDisease ResistanceHorsesConservation of Natural ResourcesEstrous CycleEstradiolTestosterone