论文开题，求文献6篇，先行谢谢了！！！

58062782

1、 Improvement Strategies in Ovine Artificial Insemination, F$ O4 p# s) D" u) o9 {/ k
http://www.ncbi.nlm.nih.gov/pubmed
" \7 Y9 @" F  u' p8 f8 q2、 Factors influencing the success of vaginal and laparoscopic artificial insemination in churra ewes: a field assay  [2 _" N( k( }- t9 p8 x+ P
http://www.theriojournal.com/article/S0093-691X(04)00187-6/abstract0 b" z9 j- B( ?; I, V! m2 U7 P
3、 Synchronization of ovulation and fixed time intrauterine insemination in ewes.
9 H' G- @6 Y% L+ F* D! Rhttp://onlinelibrary.wiley.com/doi/10.1111/j.1439-0531.2004.00534.x/full. d* }6 m6 m4 k3 ]
4、 Laparoscopical intrauterine insemination with different doses of fresh, conserved, and frozen semen for the production of ovine zygotes.7 N' v' Y5 O1 s2 C# l, G6 A- d
http://www.ncbi.nlm.nih.gov/pubmed/12832025
0 |8 ^1 i+ J- I! m# K- M5、 Laparoscopic intrauterine insemination in Barbary sheep (Ammotragus lervia).3 w) H2 ]* y! |$ g" C( x, f
http://www.ncbi.nlm.nih.gov/pubmed/11098389. T& l& _! c, g( s2 y4 Z
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.
8 `3 Y+ H2 Q8 b& W, Khttp://www.ncbi.nlm.nih.gov/pubmed/10735039, h6 f0 d( C6 B

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58062782

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谢谢！好运常伴！