Table 7.
Correlation coefficient among protein solubility and chemical composition and standardized ileal digestibility of amino acid of rapeseed meal in 18-day-old Pekin ducks (n = 22).
| Component | PS | SIDAA | PS | SIDAA | PS |
|---|---|---|---|---|---|
| PS | 1.000 | PS | 1.000 | PS | 1.000 |
| DM | –0.126 | SID Lys | 0.776∗ | SID Ser | 0.506∗ |
| CP | –0.201 | SID Met | –0.140 | SID Glu | 0.103 |
| EE | –0.159 | SID Arg | 0.356 | SID Gly | 0.143 |
| CF | –0.723∗ | SID Ile | 0.532∗ | SID Ala | 0.151 |
| NDF | –0.920∗ | SID Leu | 0.292 | SID Cys | 0.817∗ |
| ADF | –0.830∗ | SID Thr | 0.144 | SID Tyr | 0.461∗ |
| GS | 0.467∗ | SID Val | 0.489∗ | SID Pro | 0.326 |
| ITC | 0.541∗ | SID Phe | 0.464∗ | SID Asp | 0.319 |
| OZT | 0.430 | SID His | 0.659∗ |
Abbreviations: ADF, acid detergent fiber, Ala, Alanine; Arg, arginine; Asp, aspartic acid; CF, crude fiber; Cys, cysteine; EE, ether extract; Glu, glutamic acid; Gly, glycine; GS, thioglycoside; His, histidine; Ile, isoleucine; ITC, isothiocyanate; Leu, leucine; Lys, lysine; Met, methionine; NDF, neutral detergent fiber; OZT, oxazolidine thione; Phe, phenylalanine; Pro, proline; PS, protein solubility; Ser, serine; SID, standardized ileal digestibility; Thr, threonine; Tyr, tyrosine; Val, valine.
∗
P < 0.05.