BreedingGenetic VariationDogsHybrid VigorCattleWeaningCrosses, GeneticLeast-Squares AnalysisDog DiseasesSheepWoolMeatAnimal HusbandrySheep, DomesticMicrosatellite RepeatsBody WeightLitter SizeAnimals, Inbred StrainsReproductionSpecies SpecificityWeight GainSwineSus scrofaInbreedingAnimals, DomesticGoatsEquidaeGenotypeHorsesPortugalBirth WeightDystociaQuantitative Trait, HeritableFertilityPhylogenySeasonsGene FrequencyHaplotypesModels, GeneticPolymorphism, Single NucleotideAnimal FeedBody CompositionAnimal Identification SystemsLactationChromosomes, MammalianAllelesCattle DiseasesHybridization, GeneticGenetic MarkersMilkHeterozygoteGenetics, PopulationScrotumPhenotypeSelection, GeneticSexual MaturationGenomeHair ColorHornsPedigreeSheep DiseasesPregnancyBody SizeTropical ClimateAdipose TissueSequence Analysis, DNAAnalysis of VarianceDNA, Mitochondrial