Table 6.

Multi-regression analysis

Bird parameter	r	p	Standard error	Best predictor combination*
Dry matter intake (DMI)	0.824	<0.001	3.03	DMI = 32.6 [15.3]+0.2074 [0.0865]−2.667 [0.687] lysine+0.1893 [0.0651] TG+0.361 [0.146] RSD (2 hr value)
Liveweight gain (LWG)	0.860	<0.001	3.64	LWG = 69.8 [40.6]+0.3131 [0.0822]+0.8 [0.202] RSD (2 hr value)−3.822 [0.935] lysine−0.448 [0.140] Sol NSP−0.0821 [0.0314] Starch−0.521 [0.232] SW
Total gain:feed	0.863	<0.001	0.029	Gain:feed = 0.1429 [0.0992]+0.002359 [0.000528] TG+0.0619 [0.00103] RSD (2 hr value)−0.002872 [0.000912] Sol NSP−0.02084 [0.00487] Protein band 1+0.001414 [0.000322]−0.000820 [0.000363] NDF
In vitro viscosity	0.652	<0.001	1.70	In vitro viscosity = −11.01 [3.08]+0.1183 [0.241] Total NSP+0.1919 [0.0781] Protein band 5
Apparent metabolizable energy (AME)	0.358	<0.05	0.266	AME content = 15.153 [0.407]−0.0683 [0.0260] Protein band 2
ME:gain	0.633	<0.001	0.818	ME:gain = 32.94 [3.09]−0.1185 [0.0305] RSD (2 hr value)−0.0461 [0.0157] TG
ME:GE	0.313	<0.05	0.0119	ME:GE = 0.7884 [0.0182]−0.00263 [0.00116] Protein band 2
Ileal DM digestibility	0.554	<0.001	0.019	Ileal DM digestibility = 0.7571 [0.0290]−0.000423 [0.000185] CP −0.0001849 [0.000606] Sol NSP+0.000751 [0.000368] TG
Ileal starch digestibility	0.654	<0.001	0.027	Ileal starch digestibility = 0.554 [0.119]+0.000609 [0.000183] starch−0.001518 [0.000685] in vitro viscosity
Ileal crude protein (CP) digestibility	0.829	<0.001	0.018	Ileal CP digestibility = 1.271 [0.145]+0.001760 [0.000361]−0.003258 [0.000650] Sol NSP−0.000959 [0.000222]+0.002826 [0.000767] RSD (0.125 hr value)−0.002650 [0.000986] RSD (1 hr value)−0.00035 [0.000148] starch

^*Values in [ ] parenthesis = Standard error of each of the multiple regression coefficients.