Borg, K E Semen characteristics, testicular size, and reproductive hormone concentrations in mature duroc, meishan, fengjing, and minzhu boars. [electronic resource] - Biology of reproduction Sep 1993 - 515-21 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0006-3363 Standard No.: 10.1095/biolreprod49.3.515 doi Subjects--Topical Terms: AnimalsBody WeightChinaFollicle Stimulating Hormone--bloodInhibins--bloodMaleReproduction--physiologySeasonsSpecies SpecificitySperm CountSperm MotilitySpermatozoa--cytologySwine--anatomy & histologyTestis--anatomy & histologyTestosterone--blood