%0 Conference Proceedings %T Comparison of the effects of fixed timed insemination and natural mating on the sex ratio of offspring in Ewes %A Z. Saberi %A KHoramian Toosi, Babak %A N. Afzali %A Hosseini Vashan, Seyyed Javad %A M. A. Eslampour %A H. R. Mohammadi %J (International Congress On Animal Reproduction (ICAR %D 2008