Effects of heterosis on reproduction in Herford, Angus and Shorthorn cattle.
L V Cundiff, K E Gregory, R M Koch
Journal of animal science, Vol. 38, No. 4, pp. 711-727, 1974
Keywords
BreedingReproductionCattleBody WeightFemalePregnancyMaleAnimalsSeasonsTime FactorsCrosses, GeneticSex FactorsAge FactorsHybridization, GeneticWeaningEstrusFertilizationHybrid VigorDelivery, Obstetric