1. Boustan, A., Nejati Javarami, A., Hedayat Evrigh, N., Ebrahimi, M. and Seyed Sharifi, R. 2017. Effects of using superior animals in training set on the accuracy of genomic evaluation for high
and low heritability traits in dairy cattle. Journal of Ruminant Research. 5(1): 63-80. 2. Boustan, A., Nejati Javaremi, A. and Moradi Shahrbabak, M. 2014. Economic and genetic aspects of using sexed semen in traditional and genomic evaluation of Iranian Holstein dairy cattle: A Simulation Study. Journal of Agricultural Science and Technology. 16: 801-810.
3. Boustan, A., Nejati Javaremi, A., Rezvannejad, E. and Mojtahedin, A. 2015. Genetic and economic aspects of applying embryo transfer in traditional and genomic evaluation in Iranian Holstein dairy cattle. Iranian Journal of Applied Animal Science. 5(4): 807-811.
4. Bouquet, A., Sørensen, A.C. and Juga, J. 2015. Genomic selection strategies to optimize the use of multiple ovulation and embryo transfer schemes in dairy cattle breeding programs. Livestock Science. 174: 18-25.
5. DeJarnette, J.M., Nebel, R.L. and Marshall, C.E. 2009. Evaluating the success of sex-sorted semen in US dairy herds from on farm records. Journal of Theriogenology. 71: 49-58.
6. Dekkers, J.C.M., Vandervoort, G.E. and Burnside, E.B. 1996. Optimal size of progeny groups for progeny testing programs by artificial insemination firms. Journal of Dairy Science. 79: 2056-2070.
7. Hasler, J.F. 2006. The Holstein cow in embryo transfer today as compared to 20 years ago. Journal of Theriogenology, 65: 4-16.
8. Hasler, J.F., Cardey, E., Stokes, J.E. and Bredbacka, P. 2002. Nonelectrophoretic PCR-sexing of bovine embryos in a commercial environment. Journal of Theriogen-ology. 58: 1457–69.
9. Hayakawa, H., Hirai, T., Takimoto, A., Ideta, A. and Aoyagi, Y. 2009. Superovulation and embryo transfer in Holstein cattle using sexed sperm. Journal of Theriogenology. 71: 68-73. 10. Joezy Shekalgorabi, S. and Shadparvar, A. 2014. Impact of applying sex sorted semen in heifers on genetic improvement of dam of dams selection pathway. Iranian Journal of Animal Science Research. 6(3): 258-264.
11. Kaimio, I., Mikkola, M., Lindeberg, H., Heikkinen, J., Hasler, J.F. and Taponen, J. 2013. Embryo production with sex-sorted semen in superovulated dairy heifers and cows. Journal of Theriogenology. 80: 950–954.
12. Larson J.E., Lamb G.C., Funnell B.J., Bird S., Martins A. and Rodgers J.C. 2010. Embryo productionin superovulated Angus cows inseminated four times with sexed-sorted or conventional, frozen-thawed semen. Journal of Theriogenology. 73: 698–703.
13. Lohuis, M.M. 1995. Potential benefits of bovine embryo - manipulation technologies to genetic improvement programs. Journal of Theriogenology. 43(1): 51-60. 14. MonteiroJr, P.L.J., Batista, A.M., Almeida, F.C., Figueiredo, A.E.S., Soares, P.C., Carneiro, G.F. and Guerra, M.M.P. 2016. Fertilization rate and embryo production of superovulated dairy cows after insemination with non-sorted and sex-sorted semen. Animal Reproduction. 13: 112-116.
15. Norman, H.D., Hutchison, J.L. and Miller, R.H. 2010. Use of sexed semen and its effect on conception rate, calf sex, dystocia, and stillbirth of Holsteins in the United States. Journal of Dairy Science. 93: 3880–3890.
16. Panarace, M., Medina, M., Cattaneo, L., Caballero, J., Cerrate, H. and Dalla Lasta, M., et al. 2003. Embryo production using sexed semen in superovulated cows and heifers. Journal of Theriogenology. 59: 513. 17. Sá Filho, M.F., Nichi, M., Soares, J.G., Vieira, L.M., Melo, L.F., Ojeda, A., Campos Filho, E.P., Gameiro, A.H., Sartori, R. and Baruselli, P.S. 2014. Sex-sorted sperm for artificial insemination and embryo transfer programs in cattle. Animal Reproduction. 11(3): 217-224.
18. Sahebhonar, M. 2008. Estimation of genetic trend of production traits and determination of some effective factors on it in Iranian Holstein population.
M.S. thesis, Tehran University, Karaj, Iran.
19. Schenk, J.L., Suh, T.K. and Seidel, G.E. 2006. Embryo production from superovulated cattle following insemination of sexed sperm. Journal of Theriogenology. 65: 299–307.
20. Seidel, G.E. 2003. Economics of selecting for sex: The most important genetic trait. Journal of Theriogenology. 59: 585-598.
21. Shea B.F. 1999. Determining the sex of bovine embryos using polymerase chain reaction results: a six-year retrospective study. Journal of Theriogenology. 51:841–54.
22. Sorensen M.K., Voergaard, J., Pedersen L.D., Berg P. and Sorensen, A.C. 2011. Genetic gain in dairy cattle populations is increased using sexed semen in commercial herds. Journal of Animal Breeding and Genetics. 128: 267–275.
23. Thomasen, J.R., Willam, A., Egger-Danner, C. and Sorensen, A.C. 2015. Reproductive technologies combine well with genomic selection in dairy breeding program. Journal of Dairy Science. 99: 1331-1340.
24. VanRaden, P. 2008. Efficient methods to compute genomic predictions. Journal of Dairy Science. 91: 4414–4423.