Table 2.
Finisher 1, 19 to 28 Days | Finisher 2, 29 to 35 Days | ||||||||
---|---|---|---|---|---|---|---|---|---|
Treatmenst | L-Threonine, % of Requirements | MP, g/kg | Aflatoxin B1, 500 µg/kg | FI 1, g | BWG 2, g | FCR 3 | FI, g | BWG, g | FCR |
T1 | 100 | 0 | − | 1055.7 | 656.7 | 1.61 | 951.1 | 499.1 | 1.92 |
T2 | 100 | 0 | + | 1054.9 | 659.4 | 1.60 | 962.3 | 500.0 | 1.94 |
T3 | 100 | 1 | − | 1060.9 | 667.6 | 1.59 | 951.8 | 468.5 | 2.05 |
T4 | 100 | 1 | + | 1011.4 | 653.3 | 1.56 | 946.2 | 498.6 | 1.91 |
T5 | 125 | 0 | − | 1072.6 | 689.2 | 1.56 | 943.9 | 517.8 | 1.85 |
T6 | 125 | 0 | + | 1072.9 | 684.4 | 1.57 | 944.9 | 488.6 | 1.95 |
T7 | 125 | 1 | − | 1067.6 | 661.4 | 1.61 | 953.0 | 512.5 | 1.87 |
T8 | 125 | 1 | + | 1066.5 | 663.4 | 1.61 | 955.9 | 521.9 | 1.84 |
Pooled SEM | 20.24 | 13.60 | 0.03 | 12.43 | 17.45 | 0.06 | |||
Main Effects | Levels | Means 4 | |||||||
L-Threonine | 100 | 1045.7 | 659.2 | 1.59 | 952.8 | 491.5 | 1.95 | ||
125 | 1069.9 | 674.6 | 1.59 | 949.4 | 510.2 | 1.88 | |||
Mycofix Plus | 0 | 1064.0 | 672.4 | 1.58 | 950.5 | 501.4 | 1.91 | ||
1 | 1051.6 | 661.4 | 1.59 | 951.7 | 500.4 | 1.92 | |||
Aflatoxin B1 | − | 1064.2 | 668.7 | 1.59 | 949.9 | 499.5 | 1.92 | ||
+ | 1051.4 | 665.1 | 1.58 | 952.3 | 502.3 | 1.91 | |||
Main Effects and Interaction Effects | p-values | ||||||||
L-Threonine | NS | NS | NS | NS | NS | NS | |||
Mycofix Plus | NS | NS | NS | NS | NS | NS | |||
Aflatoxin B1 | NS | NS | NS | NS | NS | NS | |||
L-Threonine × Mycofix Plus | NS | NS | NS | NS | NS | NS | |||
L-Threonine × Aflatoxin B1 | NS | NS | NS | NS | NS | NS | |||
Mycofix Plus × Aflatoxin B1 | NS | NS | NS | NS | NS | NS | |||
L-Threonine × Mycofix Plus × Aflatoxin B1 | NS | NS | NS | NS | NS | NS |
1 Feed Intake. 2 Body Weight Gain. 3 Feed Conversion Ratio. 4 Means represent 32 pens of chickens with 10 birds per pen. (n = 32/group). NS, p ≥ 0.05.