3Larsen J. Genetic variation at the growth hormone locus in a wild pig intercross test of association to genotypic trains and linkage to the blood group locus[J]. Theor. Appl. Genet., 1995,91:1074.
4Casns - Carrillo E. Association of growth hormone and insulin like growth factor genotypes with growth and carcass traits in offspring of pure breed swine{C] .Proc. 5th World Congr. Genet. App.Livest. Prod., 1994,21:272 - 275.
5Soren H. Investigation d polymorphisms at genes in the growth hormones axis in cattle and pigs[C] .Proc. 4th World Congr.Genet. Appl. Livest., 1990,XI11:151 - 154.
6Larsen N J, et al. Polymorphisms in the porcine growth hormone gene[J]. Anim. Genet.,1993. 2(1):71.
7Balatsky V N, et al. Multiple forms of pigs somatotroin and growth hormone gene polymorphisms[C]. Proc. 5th World Congr. Genet.App. Livest. Prod. ,1994,144- 147.
8Chen C - M, et al. High - level expression of growth hormone in the methylotmpic yeast and its application on growth improvement of fowls[J]. Journal of Animal Sciences, 2000,13(Supplement Vol.A) : 157 - 160.
9Parkinson Emma J, et al. Acid denaturation of recombinant porcine growth hormone: Formation and self - association of folding intermediates[J]. Biochemistry,2000,39(40) : 12345 - 12354.