5Foharty NM.Genetic parameters for live weight,fat and muscle measurement,wool production and reproduction insheep.Animal Breeding Abstracts,1995,63(3):101-143.
6Kaivo-Oja N,Bondestam J,Kamarainen M,et al.Growth differentiation factor-9 induces Smad2 activation and inhibin B production in cultured human granulosa-luteal cells.Clin Endocrinol Metab,2003,88(2):755-762.
7McPherron AC,Lee SJ.GDF-3 and GDF-9:two new members of the transforming growth factor-beta super-family containing a novel pattern of cysteines.Biol Chem,1993,268:3444-3451.
8Sadighi M,Bodensteiner KJ,Beattie AE,et al.Genetic mapping of o-vine growth differentiation factor 9 (GDF9) to sheep chromosome 5.Anim Genet,2002,33:244-248.
9Bodensteiner KJ.Clay CM,Moeller CL,et al.Molecular cloning of the ovine Growth/Differentiation factor-9 gene and expression of growth/differentiation factor-9 in ovine and bovine ovaries.Biol Re-prod,1999,60:381-386.
10Hayashi M,McGee EA,Min G,et al.Recombinant growth differentiation factor-9 (GDF-9) enhances growth and differentiation of cul-tured early ovarian follicles.Endocrinology,1999,140:1236-1244.
