Table 2.

Relative weight (% of body weight) of the organs of group “Adult” (left part) and group “Juvenile” (right part).

	Group “Adult”: Relative organ weight (% of body weight) (Least squares means ± Standard Error)		P-value	Group “Juvenile”: Relative organ weight (% of body weight) (Least squares means ± Standard Error)		P-value
	Control hens	Treated hens		Control hens	Treated hens
Ovary	0.66 ± 0.05	0.26 ± 0.05	<0.0001	0.60 ± 0.07	0.38 ± 0.07	<0.05
Oviduct	3.55 ± 0.34	1.18 ± 0.32	<0.0001	3.43 ± 0.36	1.96 ± 0.38	<0.05
Liver	2.42 ± 0.07	1.80 ± 0.08	<0.0001	2.22 ± 0.12	1.76 ± 0.11	<0.05
Spleen	0.10 ± 0.01	0.14 ± 0.01	<0.05	0.11 ± 0.01	0.12 ± 0.01	0.26
Intestine	5.30 ± 0.14	4.73 ± 0.14	<0.01	5.30 ± 0.23	4.67 ± 0.23	0.06
Gizzard	1.77 ± 0.10	1.59 ± 0.10	0.21	1.85 ± 0.09	1.51 ± 0.09	<0.05
Proventriculus	0.36 ± 0.01	0.37 ± 0.01	0.6	0.37 ± 0.02	0.31 ± 0.02	<0.01
Thyroid glands	0.07 ± 0.03	0.01 ± 0.03	0.17	0.01 ± 0.001	0.01 ± 0.001	0.61
Lungs	0.40 ± 0.02	0.40 ± 0.02	0.77	0.38 ± 0.01	0.35 ± 0.01	0.12
Kidneys	0.72 ± 0.02	0.59 ± 0.02	<0.001	0.73 ± 0.03	0.54 ± 0.03	<0.001
Brain	0.18 ± 0.01	0.19 ± 0.01	0.38	0.18 ± 0.01	0.18 ± 0.01	0.57
Heart	0.37 ± 0.02	0.33 ± 0.02	0.15	0.37 ± 0.02	0.28 ± 0.02	<0.01

P < 0.05 represent a significant difference between the least squares means of treated and control hens within one group (“Adult” or “Juvenile”, respectively).