Effect of GnRH Administered 7 Days after Insemination on Serum Progesterone, Luteinizing Hormone and Duration Estrous Cycle with Pregnancy Rates in Heifer

Erdal Kaygusuzoglu, Hamit Yildiz, Mehmet Kaya and Metin Cenesiz

Journal of Animal and Veterinary Advances 9 ( 9 ): 1400 - 1405 , 2010