Parameter
|
T1
|
T2
|
T3
|
T4
|
T5
|
T6
|
T7
|
SEM
|
P-value
|
---|
Final BW (kg)
|
2.18d
|
2.27 cd
|
2.36bc
|
2.45ab
|
2.51a
|
2.49ab
|
2.27 cd
|
0.02
|
0.001
|
Feed cost (LE)
|
14.76
|
14.52
|
15.06
|
14.22
|
15.20
|
14.57
|
14.44
|
0.12
|
0.290
|
Total cost (LE)
|
22.26
|
22.02
|
22.56
|
21.72
|
22.70
|
22.07
|
21.94
|
0.12
|
0.290
|
Total return/bird(LE)
|
39.38d
|
40.95 cd
|
42.55bc
|
44.27ab
|
45.34a
|
44.84ab
|
40.95 cd
|
0.40
|
0.001
|
Net profit (LE)
|
17.12c
|
18.92bc
|
19.29b
|
22.55a
|
22.64a
|
22.76a
|
19.00bc
|
0.40
|
0.001
|
E. EF.*
|
1.16c
|
1.30bc
|
1.32b
|
1.58a
|
1.49a
|
1.56a
|
1.31bc
|
0.03
|
0.001
|
Feed cost/kg gain
|
6.89a
|
6.65a
|
6.74a
|
6.14bc
|
6.13bc
|
5.95c
|
6.47ab
|
0.07
|
0.001
|
PI (%) $
|
124.39c
|
131.28bc
|
137.20b
|
153.79a
|
156.96a
|
160.54a
|
134.74bc
|
2.42
|
0.001
|
- *Economic efficiency, $ Performance index. LE: Egyptian pound.
- a,b,c,d Means within the same row carrying different superscripts are significantly different at (P < 0.05).
- T1: Control group "basal diet with no additives (breeder recommendation (BR)). T2: Basal diet minus 100 kcal/kg supplemented with 0.02% NSP-degrading enzymes (NSP). T3: Basal diet minus 50 kcal/kg supplemented with 0.025% emulsifier (LYSOFORTE®). T4: Basal diet minus 50 kcal/kg supplemented with 0.06% guanidinoacetic acid (CreAMINO®). T5: Basal diet minus 150 kcal/kg supplemented with a mixture of NSP and LYSOFORTE® (NSPL), T6: Basal diet minus 100 kcal/kg supplemented with a mixture of NSP and CreAMINO® (NSPC). T7: Basal diet minus 200 kcal/kg supplemented with a mixture of NSP, LYSO, and CreAMINO® (NSPLC).