This study investigated the effects of boldenone undecylenate as an anabolic steroid on the performance and body weight of goats. Goats were divided into three groups in a completely randomized design. Two groups received two different doses of boldenone undecylenate for a period of 6 weeks. The 3rd group was the control. Liver enzymes, (Afp) tumor marker, electrolytes, and body weight were monitored in all goats 2 weeks of the last injection. Body weight was higher (P