. 2012 Apr;25(4):541–551. doi: 10.5713/ajas.2011.11378

Table 3.

Effects of post hatch holding time and dietary supplements on relative growth rate of chicks at d 3, 7, 14, 21, 28 and 35¹

Treatment	Relative growth (%)^A

	0–2 d	3–7 d	8–14 d	15–21 d	22–28 d	29–35 d
FED
Control	26.5^ab	92^c	166^d	127^b	76^b	55^a
Antibiotic	19.5^b	96^c	176^c	166^a	70^c	52^ab
MOS	30.1^a	90^c	173^c	122^b	76^b	53^ab
Acidifier	28.4^a	93^c	175^c	125^b	74^bc	53^ab
HELD
Control	−12.2²	115^b	184^b	128^b	84^a	47^b
Antibiotic		95^c	204^a	190^a	84^a	43^c
MOS		115^b	197^ab	119^b	83^a	46^b
Acidifier		132^a	194^ab	114^b	77^b	33^d
SEM	1.3	3	5	7	3	2
	———Significance of treatment effect³———
Diet	^***	^***	^**	^***	^**	^***
Holding time	^***	^***	^***	NS	^***	^***
Diet×holding time		^***	NS	NS	NS	^**

Values are means of 20 replicates.

Value is mean of HELD chicks 48 h post hatch.

NS = Nnot significant;

p<0.05;

^**

p<0.01;

^***

p<0.001.

^a,b,c

Means within a column without a common superscript differ significantly.

Weight gain relative to initial body weight at d 0.