01170naa a2200289 a 450000100080000000500110000800800410001910000170006024500620007726000090013949000310014852003860017965000110056565000210057665000210059765000100061865000150062865000170064365000100066065000170067065300320068765300260071965300130074565300240075870000190078277300790080115227702023-06-02       1945    bl uuuu     u00u1 u    #d1 aGREEN, W. W.  aPrenatal development of the sheep.h[electronic resource]  c1945  a(Technical Bulletin, 169).  aThe objects of this experiment were, therefore: 1-To establish the normal prenatal development of the sheep by useof fresh, unfixed specimens of accurately known ages. 2-To secure a standard for use when studying factors responsible for variations in prenatal development. 3-To use the information for a basis for the comparison of the prenatal periods of the sheep and the bovine.  aCattle  aGestation period  aPerinatal period  aSheep  aFisiologia  aObstetrícia  aOvino  aReprodução  aAnimal developmental stages  aEmbryonic development  aGestacao  aPeríodo pré-natal1 aWINTERS, L. M.  tMinnesota: University of Minnesota. Agricultural Experiment Station, 1945.