Table 5.
Effects of zinc amino acid complex (ZnAA) on growth performance in weaned pigs1) (Zn, mg/kg)
| Items | ZnAA | SEM | p-value | ||
|---|---|---|---|---|---|
|
|
|
||||
| 0 | 80 | 800 | ANOVA | ||
| Phase I, 0 to 14 d | |||||
| ADG (g) | 259 | 282 | 268 | 14 | 0.501 |
| ADFI (g) | 427 | 416 | 420 | 16 | 0.875 |
| F:G | 1.68 | 1.47 | 1.59 | 0.10 | 0.386 |
| Mortality rate (%) | 0.00 | 0.00 | 2.78 | 1.60 | 0.391 |
| Phase II, 15 to 42 d | |||||
| ADG (g) | 329 | 393 | 400 | 22 | 0.091 |
| ADFI (g) | 594a | 632b | 665b | 15 | 0.021 |
| F:G | 1.82 | 1.65 | 1.69 | 0.11 | 0.516 |
| Mortality rate (%) | 0.00 | 0.00 | 0.00 | - | - |
| Entire experiment, 0 to 42 d | |||||
| ADG (g) | 294a | 338b | 334b | 11 | 0.040 |
| ADFI (g) | 511 | 524 | 543 | 11 | 0.149 |
| F:G | 1.74 | 1.56 | 1.64 | 0.05 | 0.079 |
| Mortality rate (%) | 0.00 | 0.00 | 2.78 | 1.60 | 0.391 |
SEM, standard error of the mean; ANOVA, analysis of variance; ADG, average daily gain; ADFI, average daily feed intake; F:G, feed to gain ratio.
1)
Data are the means of six replicates of six pigs (three barrows and three gilts) per pen.
abc
Means within the same column lacking a common superscript letter differ (p<0.05).