Table 13.

Prediction equations for vitamin retention (%) in different vitamin/trace mineral (VTM) premixes during storage.

No.	Types 1	Vitamin Sources	Predicted Equations ∗	R 2	RMSEP	p-Value
1	VTM premix 1	VA	y = 97.777e−0.011x	0.884	0.02	0.017
2	VTM premix 1	VD3	y = −1.147x + 99.343	0.984	0.752	0.001
3	VTM premix 1	VE	y = −0.351x + 98.556	0.761	1.01	0.054
4	VTM premix 1	VK3	y = −4.212x + 101.873	0.966	4.045	0.003
5	VTM premix 1	VB1	y = −0.786x + 97.157	0.736	2.41	0.063
6	VTM premix 1	VB2	y = −0.651x + 98.914	0.891	1.104	0.016
7	VTM premix 1	VB6	y = −0.747x + 99.322	0.96	0.779	0.003
8	VTM premix 1	Niacin	y = 98.913e−0.005x	0.888	0.009	0.016
9	VTM premix 1	Pantothenic acid	y = −0.478x + 99.106	0.893	0.849	0.015
10	VTM premix 2	VA	y = −1.347x + 97.474	0.788	3.581	0.044
11	VTM premix 2	VD3	y = −1.248x + 100.2	0.999	0.165	<0.001
12	VTM premix 2	VE	y = −0.433x + 98.808	0.723	1.374	0.068
13	VTM premix 2	VK3	y = −4.217x + 101.09	0.973	3.569	0.002
14	VTM premix 2	VB1	y = 93.34e−0.026x	0.785	0.068	0.045
15	VTM premix 2	VB2	y = 98.821e−0.004x	0.697	0.013	0.078
16	VTM premix 2	VB6	y = −0.766x + 99.511	0.98	0.564	0.001
17	VTM premix 2	Niacin	y = −0.528x + 99.271	0.958	0.567	0.004
18	VTM premix 2	Pantothenic acid	y = 99.252e−0.005x	0.799	0.012	0.041
19	VTM premix 3	VA	y = −1.868x + 97.531	0.882	3.495	0.018
20	VTM premix 3	VD3	y = −1.283x + 99.618	0.993	0.538	<0.001
21	VTM premix 3	VE	y = −0.37x + 98.449	0.82	0.888	0.034
22	VTM premix 3	VK3	y = −4.226x + 101.743	0.96	4.409	0.003
23	VTM premix 3	VB1	y = 94.133e−0.089x	0.92	0.134	0.01
24	VTM premix 3	VB2	y = −0.534x + 98.629	0.842	1.186	0.028
25	VTM premix 3	VB6	y = 99.305e−0.008	0.955	0.009	0.004
26	VTM premix 3	Niacin	y = −0.456x + 98.853	0.835	1.04	0.03
27	VTM premix 3	Pantothenic acid	y = 99.451e−0.006x	0.904	0.009	0.013
28	VTM premix 4	VA	y = −2.013x + 96.098	0.827	4.715	0.032
29	VTM premix 4	VD3	y = −1.242x + 99.048	0.953	1.415	0.004
30	VTM premix 4	VE	y = −0.421x + 99.069	0.8	1.08	0.041
31	VTM premix 4	VK3	y = −4.276x + 102.235	0.971	3.764	0.002
32	VTM premix 4	VB1	y = 92.009e−0.09x	0.89	0.162	0.016
33	VTM premix 4	VB2	y = −0.541x + 98.834	0.871	1.065	0.02
34	VTM premix 4	VB6	y = −0.721x + 99.38	0.912	1.148	0.011
35	VTM premix 4	Niacin	y = −0.447x + 98.217	0.908	0.728	0.012
36	VTM premix 4	Pantothenic acid	y = 99.29e−0.005x	0.872	0.009	0.02

¹ RMSEP, root mean square error of prediction. VTM premix 1 contained low concentrations of Cu and Zn without choline. VTM premix 2 contained choline with low concentrations of Cu and Zn. VTM premix 3 contained high concentrations of Cu and Zn without choline. VTM premix 4 contained choline with high concentrations of Cu and Zn. ∗ y (%) is retention of vitamin, x (month) is storage time.