Table 3.

Immune organ weights from Partridge Shank chickens fed diets supplemented with or without MOS (g/kg).

Items	Control	0.5 g/kg MOS	1 g/kg MOS	1.5 g/kg MOS	SEM	p-Value
						L	Q
Thymus
Days 21	1.10	1.07	1.06	1.10	0.06	0.976	0.785
Days 42	2.48	3.78	3.27	2.51	0.26	0.856	0.055
Spleen
Days 21	0.83	0.74	0.73	0.91	0.04	0.546	0.132
Days 42	4.13	3.14	5.13	4.62	0.30	0.180	0.677
Bursa of Fabricius
Days 21	0.98	1.69	1.34	1.42	0.07	0.110	0.031
Days 42	1.57	1.71	1.31	1.62	0.14	0.854	0.768

MOS = mannanoligosaccharide; relative immune organ weight that was expressed relative to body weight; SEM = standard error of means (each treatment included 48 chickens and consisted of 6 replicates); L = linear; Q = quadratic.