Litter SizeNesting BehaviorBreedingReproductionWeaningOvulationLactationPregnancySwineFertilityBody WeightPregnancy, AnimalParityAnimals, SucklingAntsHybrid VigorSelection, GeneticBirth WeightSheepSex RatioAnimals, NewbornAnimal HusbandryCrosses, GeneticLeast-Squares AnalysisFetal DeathFetal ViabilityUterusWeight GainAnimal Nutritional Physiological PhenomenaEstrusOrgan SizeMilkEmbryonic and Fetal DevelopmentAnimal Population GroupsModels, GeneticArvicolinaeMaternal BehaviorEatingSexual MaturationHousing, AnimalInbreedingSeasonsQuantitative Trait, HeritableSus scrofaFetal ResorptionInsemination, ArtificialHoming BehaviorRandom AllocationPasseriformesCarnivoryAnimal FeedSexual Behavior, AnimalTreesBehavior, AnimalWaspsScrotumPhenotypeOvernutritionDicambaTrenbolone AcetateEcosystemBeesVaccines, ContraceptiveParturitionStillbirthFetusEmbryo ImplantationFeeding BehaviorViviparity, NonmammalianOvaryBody CompositionEstrus DetectionSoilQuadrupletsFetal DevelopmentPlacentaOvulation InhibitionGenotype