Effect of Probiotic Strain Enterococcus faecium M74 Supplementation on the Carcass Parameters of Different Hybrid Combination Chickens

The aim of the present study was to evaluate the effect of addition of null null Enterococcus faecium M74 null null in drinking water on performance and carcass characteristics of broiler chickens. Totally 120 chickens (60 of hybrid Hybro, 60 of Ross 308) were divided to two groups. Experimental chickens of Hybro (n=30) and Ross 308 (n=30) received a probiotic preparation in drinking water from day 1 to day 42 with concentration of 2x10 9 null...