تاثير استفاده ي همزمان پروبيوتيك و پريبيوتيك در مرغان تخمگذار بر روي جمعيت ميكروبي روده ها

Simultaneous usage of probiotic and prebiotic on intestine micro flora population in laying hens

This experiment was carried out to evaluation of simultaneous usage of probiotic and prebiotic on intestine micro flora in laying hens. Sixty Hy-Line (W-36) laying hens were selected in 40weeks of age. Experimental diets were consumed for 12 weeks duration by them. The experimental design was completely randomized block included four treatments and each of them with five replications and three sample in each replicate. Treatments were as follow: Basal diet, Basal diet + probiotic, basal diet + prebiotic and basal diet + probiotic+ prebiotic .At the end of experimental period ,after sampling ,bacterial count was measured from end of cecum . Results didnʹt show any significant differences in population of coli forms and lactobacillus in cecum. However total population of lac to bacillus were greater in treatments contained of probiotic