Effect of organic acids on growth performance, intestinal morphology, and immunity of broiler chickens with and without coccidial challenge

AMB Express

Table 3 Effect of organic acids on the growth performance of broilers with and without oral coccidial challenge

Treatments¹	C.C²	ABW³			ABWG³			AFI³			FCR³			Mortality
		1d	21d	35d	1–21d	22–35d	1–35d	1–21d	22-35d	1-35d	1-21d	22-35d	1-35d	1-21d	22-35d	1-35d
		g			g/chick			g/chick			g/g			%
CON	−	34.8	742	1642	707	900	1607	978	1542	2478	1.38	1.73	1.55	0.0	2.08	1.67
OAW	−	34.8	785	1855	750	1070	1820	990	1715	2665	1.32	1.61	1.47	0.0	0.00	0.00
OAF	−	34.8	804	1831	769	1027	1797	1012	1695	2658	1.32	1.65	1.48	0.0	0.00	0.00
CONC	+	34.9	667	1561	632	894	1526	902	1634	2498	1.44	1.83	1.64	0.0	0.00	0.00
OAWC	+	34.8	723	1682	688	959	1647	917	1577	2445	1.34	1.64	1.49	1.67	0.00	1.67
OAFC	+	34.9	719	1715	684	997	1680	929	1634	2520	1.36	1.64	1.50	1.67	0.00	1.67
SEM		0.06	14.46	41.73	14.46	33.5	41.73	14.60	55.35	61.95	0.016	0.038	0.022	0.962	0.851	0.179
Main effect means
CON		34.8	704^b	1601^b	670^b	897^b	1566^b	940	1588	2488	1.41^a	1.78^a	1.59^a	0.00	1.04	0.83
OAW		34.8	754^a	1768^a	719^a	1014^a	1733^a	953	1646	2555	1.33^b	1.63^b	1.48^b	0.83	0.00	0.83
OAF		34.8	761^a	1773^a	726^a	1012^a	1738^a	970	1665	2589	1.34^b	1.64^b	1.49^b	0.83	0.00	0.83
C.C	−	34.8	777^a	1776^a	742^a	999	1741^a	993^a	1651	2600^a	1.34^b	1.66	1.49^b	0.00	0.69	0.56
C.C	+	34.8	703^b	1652^b	668^b	950	1618^b	916^b	1615	2488^b	1.38^a	1.70	1.54^a	1.11	0.00	1.11
P-Value	Diet	0.806	0.001	0.0003	0.001	0.002	0.0003	0.130	0.361	0.270	< 0.0001	0.001	< 0.0001	0.612	0.380	1.000
	C.C	0.393	< 0.0001	0.001	< 0.0001	0.082	0.001	< 0.0001	0.436	0.034	0.008	0.194	0.017	0.168	0.325	0.568
	Diet × C.C	0.849	0.730	0.550	0.729	0.283	0.550	0.935	0.123	0.160	0.534	0.342	0.182	0.612	0.380	0.279

¹CON Control diet, OAW Organic acid in water, OAF Organic acid in feed, CONC Control diet with Coccidial challenge, OAWC Organic acid in water with Coccidial challenge, and OAFC Organic acid in feed with Coccidial challenge
²C.C = Coccidial Challenge
³Average body weight (ABW); Average body weight gain (ABWG); Average feed intake (AFI); Feed conversion ratio (FCR)
^{a, b}Mean within each column with no common superscript differ significantly (P < 0.05)