. 2019 Dec 30;99(1):374–384. doi: 10.3382/ps/pez503

Table 3.

Growth performance of broilers fed varying levels of sulfur amino acids in control conditions or challenged with Eimeria spp.¹

		BWG (g)			G:F (g:g)			FI (g)
Challenge²	SID M+C (%) Day 11–21	Day 11–14	Day 15–21	Day 11–21	Day 11–14	Day 15–21	Day 11–21	Day 11–14	Day 15–21	Day 11–21
PBS	0.6	127	255	382	0.64	0.55	0.58	198	457	651
	0.8	155	330	485	0.68	0.67	0.67	231	498	729
	0.9	139	336	474	0.68	0.70	0.69	203	483	687
	1.0	154	341	495	0.69	0.67	0.68	222	509	730
Eimeria	0.6	124	218	342	0.66	0.46	0.53	196	421	621
	0.8	148	277	425	0.70	0.60	0.63	211	466	673
	0.9	137	271	407	0.69	0.60	0.63	203	452	652
	1.0	139	269	408	0.66	0.61	0.63	209	445	652
	SEM	3	9	10	0.01	0.02	0.01	3	10	12
Main effect
	0.6	125^b	237^b	362^b	0.65	0.50^b	0.55^b	197^b	439	636
	0.8	152^a	303^a	455^a	0.69	0.63^a	0.65^a	221^a	482	701
	0.9	138^a,b	303^a	441^a	0.68	0.65^a	0.66^a	203^a,b	468	669
	1.0	147^a	305^a	452^a	0.68	0.64^a	0.65^a	216^a,b	477	691
PBS		137	315^a	459^a	0.68	0.65^a	0.65^a	205	487^a	699^a
Eimeria		144	259^b	396^b	0.67	0.57^b	0.60^b	214	446^b	650^b
		P-value
SID M+C		0.001	0.004	0.001	0.610	0.002	<0.001	0.044	0.408	0.196
Challenge		0.143	<0.001	0.001	0.871	0.006	0.002	0.178	0.040	0.031
Interaction		0.760	0.855	0.819	0.852	0.983	0.940	0.668	0.920	0.867

^a,b

Means with different superscripts within a column were significantly different (P < 0.05).

SID M+C, standardized ileal digestible methionine + cysteine; BWG, body weight gain; G:F, gain to feed ratio; FI, feed intake; PBS, phosphate-buffered saline.

On day 14, broilers were orally gavaged with either PBS or the Advent Coccidiosis Vaccine (Lincoln, NE; 100× vaccine dose; consisting of a blend of live Eimeria acervulina, Eimeria maxima, and Eimeria tenella oocysts).