Table 11.

Effect of L-Threonine and Mycofix Plus (MP) on tibia characteristics of broilers exposed to Aflatoxin B₁ at day 35, Cobb 500.

				Fresh Weight 1	Fat Free Dry Weight 1	Ash 2	BW 3: Bone Weight
Treatments	L-Threonine, % of Requiremens	MP, g/kg	Aflatoxin B1, 500 µg/kg	%	%	%
T1	100	0	−	0.49	0.20	51.72	205.99
T2	100	0	+	0.48	0.20	50.33	210.02
T3	100	1	−	0.53	0.21	50.18	189.64
T4	100	1	+	0.52	0.21	51.20	191.84
T5	125	0	−	0.48	0.19	50.07	208.17
T6	125	0	+	0.52	0.21	50.36	194.95
T7	125	1	−	0.50	0.21	51.87	202.71
T8	125	1	+	0.51	0.20	49.62	197.96
Pooled SEM				0.02	0.01	0.57	6.42
Main Effects			Levels	Means 4
L-Threonine			100	0.51	0.20	50.86	199.37
			125	0.50	0.20	50.48	200.95
Mycofix Plus			0	0.49 b	0.20	50.62	204.78 a
			1	0.52 a	0.20	50.72	195.54 b
Aflatoxin B1			−	0.50	0.20	50.96	201.63
			+	0.51	0.20	50.38	198.69
Main Effects and Interaction Effects				p-values
L-Threonine				NS	NS	NS	NS
Mycofix Plus				*	NS	NS	*
Aflatoxin B1				NS	NS	NS	NS
L-Threonine × Mycofix Plus				NS	NS	NS	NS
L-Threonine × Aflatoxin B1				NS	NS	NS	NS
Mycofix Plus × Aflatoxin B1				NS	NS	NS	NS
L-Threonine × Mycofix Plus × Aflatoxin B1				NS	NS	NS	NS

^a,b Means within a column with differing superscripts are significantly different at * p < 0.05. NS, p ≥ 0.05. ¹ Percentage of Live Body Weight. ² Percentage of Defatted Dry Tibia Weight. ³ Body Weight. ⁴ Means represent 32 pens of chickens with 10 birds per pen. (n = 32/group).