Table 3.
Effect of stocking density and alpha-lipoic acid on the percentage of behaviors of the broilers.
Items | NSD1 | HSD1 | HSD + ALA1 | P value |
---|---|---|---|---|
Eating | 20.37 ± 1.14b | 19.72 ± 0.72a | 19.23 ± 0.78a | 0.023 |
Drinking | 4.78 ± 0.12a | 6.32 ± 0.46b | 6.34 ± 0.59b | 0.031 |
Standing | 24.10 ± 0.36a | 26.11 ± 0.77b | 24.32 ± 1.12a | 0.013 |
Walking | 6.11 ± 0.43b | 4.40 ± 0.44a | 3.97 ± 0.21a | 0.043 |
Preening | 0.86 ± 0.11b | 0.54 ± 0.07a | 0.62 ± 0.09a | 0.022 |
Stretching | 0.35 ± 0.08b | 0.23 ± 0.03a | 0.30 ± 0.04b | 0.019 |
Sitting | 41.44 ± 0.68a | 44.70 ± 1.61b | 46.34 ± 0.08b | 0.011 |
a,bMeans within the same row without similar superscripts are significantly different (P < 0.05). Data are presented as mean ± SE of 6 replicates.
NSD: normal stocking density; HSD: high stocking density; HSD + ALA: high stocking density + alpha-lipoic acid.