GoatsZeranolFood AssistanceDeerMelengestrol AcetateScrotumProgesterone CongenersSpondylolysisChromium CompoundsEstrogens, Non-SteroidalDrug ImplantsSperm CountSemenTestosteroneSexual MaturationCommerceAutomatic Data ProcessingSeasonsAggressionEstrusFertilitySexual Behavior, AnimalReproductionBreedingWeight GainTestisPhotoperiodLuteinizing HormoneRandom AllocationOrgan SizePovertyBehavior, Animal