. 2015 Mar 31;94(4):673–680. doi: 10.3382/ps/pev022

Table 3.

Effect of coccidia challenge and natural betaine supplementation on the digestibility (%) of dry matter (DM), nitrogen (N), starch, fat, ash, and ileal digestible energy (IDE) of broilers fed a wheat-soy based diet¹.

Coccidia challenge	Betaine supplementation	DM	N	Starch	Fat	Ash	IDE (kcal/kg DM)
No	-	68.1^a	81.4^a	94.3	86.2^a	50.6	3198^ab
No	+	69.8^a	81.2^a	95.0	86.3^a	55.9	3234^a
Yes	-	48.0^b	61.3^c	76.6	3.3^c	45.7	2129^c
Yes	+	66.5^a	75.3^b	86.2	48.1^b	60.7	2966^b
SEM²		2.5	1.0	2.2	2.7	2.5	67
Main Effect
Coccidia
No		68.9	81.3	94.7^a	86.2	53.2	3217
Yes		57.3	68.3	81.4^b	25.7	53.2	2548
Betaine
−		58.1	71.3	85.5^b	44.8	48.1^b	2662
+		68.2	78.6	90.6^a	67.2	58.3^a	3100
P-value
Coccidia challenge (CC)		.0001	.0001	.0001	.0001	0.99	.0001
Betaine supplementation (BS)		.0001	.0001	0.026	.0001	.0004	.0001
CC × BS		.0001	.0001	.057	.0001	.065	.0001

^a–cMeans in a column not sharing a common superscript are different (P < 0.05).

¹Each value represents the mean of 8 replicates (8 birds per replicate).

²Pooled standard error of the mean.