Imbalance in the Blood Concentrations of Selected Steroids in Pre-pubertal Gilts Depending on the Time of Exposure to Low Doses of Zearalenone.

Estradiol A significant or highly significant increase in E 2 concentrations (see Figure 1 ) responsible for hyperestrogenism or supraphysiological hormonal levels [ 27 ] was observed in the experimental groups [ 2 , 14 ] relative to group C, excluding groups ZEN5 and ZEN10 on D2.

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