01021naa a2200229 a 450000100080000000500110000800800410001910000190006024501370007926000090021652003630022565000210058865000170060965000100062665000160063665000100065265000170066265000110067965000150069065300150070577300710072015224032023-05-17       1937    bl uuuu     u00u1 u    #d1 aTERRILL, C. E.  aMeasurement of reproductive capacity as an aid in selection of rams of high fertility (A preliminary report).h[electronic resource]  c1937  aProcedures for measuring breeding capacity in the ram by means of semen tests are presented, Higher levels of breeding capacity seem in general to be associated with more ejaculations in a given period, larger volumes of semen, higher concentrations of spermatozoa, better motility, longer duration of viability and a higher proportion of normal spermatozoa.  aAnimal fertility  aReproduction  aSheep  aSpermatozoa  aOvino  aReprodução  aSêmen  aTecnologia  aAndrologia  tJournal of Animal Sciencegv. 1937, n. 1, p. 311–316, Dec. 1937.