论文开题，求文献6篇，先行谢谢了！！！

58062782

1、 Improvement Strategies in Ovine Artificial Insemination; c  g+ P& \) ~, _; v
http://www.ncbi.nlm.nih.gov/pubmed% b& U8 C) A7 x" [% P7 t5 v; p4 {
2、 Factors influencing the success of vaginal and laparoscopic artificial insemination in churra ewes: a field assay
6 z/ y5 s; F) @7 c  @7 Hhttp://www.theriojournal.com/article/S0093-691X(04)00187-6/abstract0 y. Q' l7 w7 F
3、 Synchronization of ovulation and fixed time intrauterine insemination in ewes.
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4、 Laparoscopical intrauterine insemination with different doses of fresh, conserved, and frozen semen for the production of ovine zygotes.
/ o2 [+ Q- F/ q' ahttp://www.ncbi.nlm.nih.gov/pubmed/12832025
5 K$ K- \1 y5 R; N7 [5、 Laparoscopic intrauterine insemination in Barbary sheep (Ammotragus lervia).0 L6 m& [/ s3 Y5 b! }% w2 L# P
http://www.ncbi.nlm.nih.gov/pubmed/11098389! {: G/ ~/ V9 J7 i% `% z5 ?
6、 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.
- L2 e" z. k. Y# _http://www.ncbi.nlm.nih.gov/pubmed/10735039+ @8 w. |, |7 s0 M# d" g

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58062782

回复 dabai22222 的帖子! z2 J, i7 `- @* T- ]( D3 g1 }
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谢谢！好运常伴！