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Table 1 Summary of relevant reports on the effects of maternal dietary arginine supplementation on the reproductive performance in swine in the last decade

From: A review of the amino acid metabolism in placental function response to fetal loss and low birth weight in pigs

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]
  1. Un, undetermined; ↑, increase; —, no effect