Table 1 Growth performance and incidence of diarrhoea in weaned piglets.

Item	PC	PD			SEM	P Value
Item	PC	1	5	15	SEM	P Value
Body weight, kg
Initial weight (1 d)	9.38^a	9.35^a	9.38^a	9.39^a	0.033	0.984
Final weight (28 d)	16.79^b	17.04^b	17.62^a	16.98^b	0.106	0.007
Average daily weight gain, g/d
1–14 d	159.5^a	167.9^a	173.8^a	164.2^a	3.020	0.442
14–28 d	369.5^b	381.7^b	414.3^a	378.1^b	5.806	0.006
1–28 d	264.5^b	274.8^b	294.0^a	271.1^b	3.754	0.005
Average daily feed intake, g
1–14 d	333.6^ab	317.1^bc	344.0^a	309.3^c	4.977	0.022
14–28 d	625.0^b	634.5^b	717.9^a	640.3^b	12.469	0.004
1–28 d	479.3^b	475.8^b	531.0^a	474.8^b	7.575	0.001
Feed conversion (g feed/g weight gain)
1–14 d	2.10^a	1.89^a	1.98^a	1.89^a	0.047	0.409
14–28 d	1.69^a	1.66^a	1.73^a	1.69^a	0.012	0.211
1–28 d	1.81^a	1.73^b	1.80^a	1.75^b	0.012	0.008
Diarrhoea incidence (%)	4.4^a	3.9^ab	2.4^c	2.9^bc	0.277	0.009

PC: positive control; PD: rpBD2 treatment groups; SEM: standard error of the mean. ^a,b,cMean values within a row with unlike superscript letters are significantly different (P < 0.05).

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