تأثير إضافة المعزز الحيوي( بروبايوتك العراق) في الأداء الإنتاجي لفروج اللحم

Abstract

The experiment was conducted to investigate the effect of adding Iraqi probiotic to the broilers diet on the performance of broilers. the probiotic added at three levels 0, 3 and 6 gm kg ,using 225 day old chicks with three replicates 25 chicks randomly distributed each .The results showed that body weight were significantly increased (p<0.05) (2269.17, 2137.50 gm ( for 3 and 6 g per kg respectively compared with the control group 1951.67 gm . Mortality rate and feed conversion ratio were significantly decreased for2nd and third treatment compared with the control. There was significant improvement in production index . Adding 3 gm kg showed significant increase in feed consumption while there was no significant increase with 6 gm kg .