论文开题，求文献6篇，先行谢谢了！！！

58062782

1、 Improvement Strategies in Ovine Artificial Insemination
7 \2 l6 n$ L9 x+ F7 }http://www.ncbi.nlm.nih.gov/pubmed$ e& C$ y7 j+ |" Y, k+ j/ d& b
2、 Factors influencing the success of vaginal and laparoscopic artificial insemination in churra ewes: a field assay
. ~! W' [+ v% G% H9 ]http://www.theriojournal.com/article/S0093-691X(04)00187-6/abstract+ k' Q$ ]) L4 J& p
3、 Synchronization of ovulation and fixed time intrauterine insemination in ewes.: B/ B2 s0 w% x6 a+ Z
http://onlinelibrary.wiley.com/doi/10.1111/j.1439-0531.2004.00534.x/full
: M7 q' U2 k% g4、 Laparoscopical intrauterine insemination with different doses of fresh, conserved, and frozen semen for the production of ovine zygotes.) h! ], _# E. G  S' s, {' K
http://www.ncbi.nlm.nih.gov/pubmed/128320251 D( t# H) V: C8 j& Y$ Q
5、 Laparoscopic intrauterine insemination in Barbary sheep (Ammotragus lervia).0 c( s8 K7 c3 Y! {* C, e
http://www.ncbi.nlm.nih.gov/pubmed/110983895 F! b+ N$ D9 p
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.. U/ W, y; o- X+ ~$ ?
http://www.ncbi.nlm.nih.gov/pubmed/10735039
7 o3 O) ?% g. n8 j3 z2 S. C$ G  ~

) H, ^6 k+ o$ [7 q  l& f' [  d

58062782

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, C  ^9 j7 I% t& U) u2 v谢谢！好运常伴！

dabai22222

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

dabai22222

Laparoscopic intrauterine insemination in Barbary sheep (Ammotragus lervia)

dabai22222

Laparoscopical intrauterine insemination with different doses of fresh, conserved, and frozen semen for the production of ovine zygotes

dabai22222

Synchronization of ovulation and fixed time intrauterine insemination in ewes

dabai22222

Factors influencing the success of vaginal and laparoscopic artificial insemination in churra ewes: a field assay

dabai22222

Improvement Strategies in Ovine Artificial Insemination