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. 2019 Apr 20;97(6):2515–2523. doi: 10.1093/jas/skz128

Figure 1.

Figure 1.

Effect of dietary GSP supplementation on the levels of P4 and E2 in serum of sows. GSP = grape seed polyphenols; CON = basal diet; 200VE = basal diet + 200 IU/kg vitamin E; 200GSP = basal diet + 200 mg/kg GSP; 300GSP = basal diet + 300 mg/kg GSP. P4 = Progesterone; E2 = estradiol. Data are mean ± SEM. a,b,cMeans values within a bar with different letters superscripts means significantly different (P < 0.05).