Table 1 Summary of relevant reports on the effects of maternal dietary arginine supplementation on the reproductive performance in swine in the last decade
Supple-mentation period | Arginine content in basal diet, % | Supple-mental arginine, % | Litter size of live-born piglets | Litter weight of live-born piglets | Placental weight | References |
|---|---|---|---|---|---|---|
d 14–25 | 0.70% | 0.4% | ↑by 2.2 per litter | – | ↑by 34% | [110] |
d 14–25 | 0.70% | 0.8% | ↑by 1.7 per litter | – | ↑by 21% | [110] |
d 14–28 | 1.07% | 0.87% | ↑by 3.7 per litter | ↑by 32% | – | [111] |
d 1–114 | 0.72% | 0.25% | ↑by 0.8 per litter | – | – | [112] |
d 22–114 | 0.88% | 0.83% | ↑by 1.1 per litter | ↑by 11% | ↑by 16% | [113] |
d 30–90 or d 30–114 | 0.73% | 1% | ↑by 1.6 per litter | ↑ | Un | [114] |
d 30–110 | 0.61% | 0.1% | ↑by 1.1 per litter | – | – | [109] |
d 70–110 | 0.72% | 0.28% | ↑by 1.2 per litter | – | – | [115] |
d 70–110 | 0.72% | 0.78% | ↑by 1.1 per litter | ↑by 12% | – | [115] |
d 85–114 | Un | 1% | ↑by 1.4 per litter | – | Un | [116] |
d 90–114 | Un | 1% | – | ↑by 16% | Un | [106] |