论文开题，求文献6篇，先行谢谢了！！！

58062782

1、 Improvement Strategies in Ovine Artificial Insemination& k0 R4 J. J6 _# M* |* a
http://www.ncbi.nlm.nih.gov/pubmed
' ^: _7 y$ ~0 v' {9 M4 l  n# @. ]2、 Factors influencing the success of vaginal and laparoscopic artificial insemination in churra ewes: a field assay
* D( z) c! v; v2 P, Y, r. ehttp://www.theriojournal.com/article/S0093-691X(04)00187-6/abstract
) q' J4 H) A" ~. z3、 Synchronization of ovulation and fixed time intrauterine insemination in ewes.
0 f# j7 n0 l! \. {9 D8 Uhttp://onlinelibrary.wiley.com/doi/10.1111/j.1439-0531.2004.00534.x/full
% s& N6 n( \' P8 p/ H2 X) [4、 Laparoscopical intrauterine insemination with different doses of fresh, conserved, and frozen semen for the production of ovine zygotes.
, ]8 u' d6 f8 Nhttp://www.ncbi.nlm.nih.gov/pubmed/12832025
% l; u' ]+ ~2 v( R# V  q' U, H5、 Laparoscopic intrauterine insemination in Barbary sheep (Ammotragus lervia).6 n0 A5 E3 M- K$ A8 J* L
http://www.ncbi.nlm.nih.gov/pubmed/11098389
& X5 W5 s, q1 A6 x6、 Effect of mating system, flushing procedure, progesterone dose and donor ewe age on the yield and quality of embryos within a MOET program in sheep.6 S( }/ i! F/ Z# a+ h5 Z6 L
http://www.ncbi.nlm.nih.gov/pubmed/10735039$ u1 R; s8 a5 g) a

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58062782

回复 dabai22222 的帖子6 t( Q+ [" u8 a" f9 F$ x' L9 P) Z
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谢谢！好运常伴！