Table 5: Effect of feeding diets containing two levels of crude protein (CP) and lysine (Lys) on body weight gain, feed intake and feed conversion ratio of male or female broiler chicks at 10 d (Experiment 2-1).

TreatmentsBWG (g)Feed intake (g)FCR (g/g)
No.CP (%)Lys (%)malefemalemalefemalemalefemale

123.21.5336.8327.4339.3335.91.0071.026
223.21.3327.5321.4344.0330.51.0511.028
3211.5322.2320.4337.8335.21.0491.046
4211.3323.1309.5342.3326.31.0591.054
Pooled SEM4.224.052.974.500.0100.015

Probability

Protein × LysineNSNSNSNSNSNS
ProteinNSNSNSNSNSNS
LysineNSNS * NSNSNS

a–dMeans in each column without common superscripts are significantly different.
*Mean of four replicates having 50 birds. BWG: Body weight gain, FI: Feed intake, FCR: Feed conversion ratio, CP: Crude protein, Lys: Lysine; SEM Standard error of mean; NS: Not-statistically significant; * .