Hormonal changes of male Iraqi sheep after mid and total castration

This study was conducted from February 21, 2021, to July 21, 2021, at the first research station of the College of Agriculture \ Al-Muthanna University, in addition to the laboratories of the Department of Animal Production in the college to know the extent of the effect of the mid and total castration process with the injection of GnRH hormone on Hormonal changes in male Iraqi sheep. In this study, male Iraqi lambs were used with 30 lambs and their age was four months (weaning age) the study was in conditions suitable for animals, and the levels of 3 hormones were measured, namely, testosterone and (ICSH, SSH) and the experiment was with six treatments. The hormonal results indicated that there were significant (P≤0.05) differences between the levels of male sex hormones (Testosterone, Interstitial Cell Stimulating Hormone (ICSH), and Sperm Stimulating Hormone (SSH) in the study lambs, as the values of ICSH and SSH levels, increased in testified animals. Totally and sideways and GnRH hormone was added to it in treatments T2, T3, and T5 to the rest of the treatments, at the same time the level of testosterone secretion decreased in the above treatments compared to the fourth treatment and the control treatment of the studied treatments.