Abstrakt
The aim of the study was to determine the effect of dietary probiotic Enterococcus faecium, DSM 10663 NCIMB 10415, on the performance of growing male turkeys in a 105-day trial, in a 5-phase feeding. A total of 450 male turkey poults (BUT Big 6 hybrids) were randomly divided into two treatment groups (9 replicates of 25 birds each). All birds were fed isonitrogenous and isoenergetic diets, consisting of a control group (C) – basal diet, and an experimental group (EF) – basal diet supplemented with Enterococcus faecium at 1.05 x 109 cfu kg-1 feed (30 g t-1 feed). Performance parameters, including body weight, feed intake and feed conversion ratio, were determined. The addition of Enterococcus faecium preparation to the feed mixture (group EF) significantly increased (p ≤ 0.05) the body weight of turkeys on the 77th and 105th days of age, respectively about 4.4 and 3.3% more than the control group – C. The same tendency was also observed in the body weight gain. The results of this experiment are in accordance with other studies on this subject regarding the use of probiotics and their beneficial effect on the performance. Probiotics are an alternative to the now-banned feed antibiotics in the EU. The use of Enterococcus faecium, DSM 10663 NCIMB 10415, can be a performance stabilizing factor in the relatively long fattening period of turkeys.
Bibliografia
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