Cat DiseasesCatsBreedingHybrid VigorCattleWeaningDog DiseasesCrosses, GeneticLeast-Squares AnalysisSheepDogsWoolMeatGenetic VariationAnimal HusbandrySheep, DomesticMicrosatellite RepeatsBody WeightSpecies SpecificityLitter SizeAnimals, Inbred StrainsAnimals, DomesticReproductionSwineWeight GainSus scrofaInbreedingGoatsHorsesGenotypeEquidaePortugalPhylogenyBirth WeightDystociaQuantitative Trait, HeritableFertilitySeasonsAnimal FeedGene FrequencyModels, GeneticHaplotypesPolymorphism, Single NucleotideBody CompositionChromosomes, MammalianAnimal Identification SystemsLactationAllelesCattle DiseasesHybridization, GeneticGenetic MarkersMilkHeterozygotePhenotypeHair ColorGenetics, PopulationGenomeSelection, GeneticScrotumSexual Maturation