Table 5.

Effects of a precision biotic (Glycan PB) ingredient ¹ supplemented at 500 g/MT in feed on the growth performance, BW variability, foot pad lesion scores, and mortality of broiler chickens raised in floor cages within a commercial broiler house (Trial 2).

Independent Variable	Negative Control (NC)	NC + Glycan PB	SEM	Probability
Feed intake (g/bird)
0–10 d	456	508	28	0.19
0–25 d	1890 b	2016 a	42	0.04
0–35 d	2869 b	3034 a	51	0.03
BW Gain (g/bird)
0–10 d	212	217	2.9	0.28
0–25 d	1164	1187	17	0.33
0–35 d	1882	1994	46	0.10
cFCR (g feed/g BW gain)
0–10 d	2.248	2.437	0.146	0.37
0–25 d	1.659	1.708	0.035	0.33
0–35 d	1.594	1.547	0.040	0.42
BW CV (%)
10 d	9.40	9.81	0.50	0.57
25 d	12.1	13.1	0.9	0.43
35 d	13.9	12.6	0.9	0.33
Footpad 35 d
Score 0 (%)	14.0	27.3	4.6	0.05
Score 1–4 (%)	86.0	72.7	4.6	0.05
Mortality (%)	1.78	3.13	0.96	---

^a,b Means with different superscripts differed at p < 0.05. Superscripts are only shown when main effect of treatment had a p < 0.05. (n = 15 pens/treatment). ¹ Produced by the catalytic oligomerization of food sugars into tailored glycans [3,4] (Midori USA, Inc., Cambridge, MA, USA, DSM Nutritional Products, Kaiseraugst, Switzerland).