Table 1. Ingredients and chemical composition of experimental diets offered to the hair lambs

Item	Treatment1)
	Control	FA	CTL	FAZ
Ingredients (% of DM)
Wheat straw	10.2	10.2	10	10
Alfalfa hay	12	12	12.1	12.1
Corn grain	61	61	60.1	60.1
Poultry manure	5	5	5	5
Soybean meal	8	8	8	8
Cane molasses	3	3	3	3
Mineral premix	0.5	0.5	0.5	0.5
Salt	0.3	0.3	0.3	0.3
Ferulic acid (ppm)	0	300	0	300
Zeolite (Clinoptilolite)	0	0	1	1
Chemical composition (DM basis)
Dry matter (%)	88.5	88.5	88.5	88.5
CP (%)	12.9	12.9	12.8	12.8
Ether extract (%)	3.60	3.60	3.61	3.61
Metabolizable energy2) (Mcal/kg)	3.25	3.25	3.21	3.21
NEm2) (Mcal/ kg)	2.18	2.18	2.15	2.15
NEg2) (Mcal/ kg)	1.44	1.44	1.42	1.42

Control, high concentrate basal diet (BD); FA, BD with 300 ppm ferulic acid; CTL, BD with 1% clinoptilolite; FAZ, BD with 300 ppm FA + 1% CTL.
Based on tabular energy values of ingredients from NRC [19].
DM, dry matter; CP, crude protein; NEm, net energy for maintenance; NEg, net energy for gain.