Table 4.

Effect of zilpaterol hydrochloride (ZH) supplementation (8.33 mg/kg on a DM basis) on major organ weights following 20-d ZH supplementation and 3-d withdrawal period

Organ1	CON2	ZIL2	SEM	P-value
Heart, kg	2.64	2.51	0.10	0.36
Liver, kg	7.70	6.90	0.31	0.08
Lung, kg	3.76	3.52	0.17	0.30
Total kidney, g	1,197.24	1,057.5	60.4	0.11
Right kidney, g	595.3	504.8	28.9	0.03
Left kidney, g	602.0	552.7	34.0	0.31
Total adrenal, g	28.8	26.8	1.39	0.32
Right adrenal, g	14.3	12.7	0.69	0.10
Left adrenal, g	14.5	14.2	0.84	0.79

¹β ≥ 0.87.

²Treatment groups: CON = control (no ZH); ZIL = zilpaterol.