Table 5.

The effects of feeding yeast bioactives (YB) to broiler breeders and/or their offspring on organ weight in broiler chickens challenged with Eimeria.¹

Item		Liver,mg/g BW	Pancreas, mg/g BW	Small intestine, mg/g BW
Sex × Eimeria challenge
Sex	Eimeria challenge
Male	No	35.4a	4.02	47.6
Male	Yes	36.1a	3.63	62.7
Female	No	32.7b	4.48	54.3
Female	Yes	36.1a	3.51	66.7
SEM		0.598	0.182	1.919
Main effects, sex
Male		35.8a	3.82	55.1
Female		34.4b	3.99	60.5
SEM		0.402	0.129	1.357
Main effects, Eimeria challenge
No		34.1b	4.25a	50.9b
Yes		36.1a	3.57b	64.7a
SEM		0.402	0.129	1.357
Main effect, feed
Broiler breeder	Broiler chicks
Control	Control	34.3	3.91	57.1
YB	Control	35.7	3.98	59.6
Control	YB	35.7	3.88	56.0
YB	YB	34.7	3.88	58.5
SEM		0.568	0.182	1.919
Probabilities (P-value)
Sex		0.020	0.352	0.006
Eimeria challenge		<0.001	<0.001	<0.001
Feed		0.201	0.981	0.572
Sex × Eimeria challenge		0.019	0.115	0.490
Sex × feed		0.342	0.385	0.051
Eimeria challenge × feed		0.356	0.952	0.568
Sex × Eimeria challenge × feed		0.804	0.669	0.099

^a,bMeans assigned different letter superscripts within a response criterion differ, P < 0.05.

¹BW, body weight.