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Table II.

Artificial insemination study: Experimental design. Each sow was inseminated three times (dose 1, 2, 3) 24 h apart during estrus.

Group na Inoculum Raw semenb Artificial inseminationb
1st dose 2nd and 3rd dose
Gilts-Control 3 PCV2-DNA-negative semen AI*
Gilts-PCV2a 3 PCV2a-DNA-positive semen 105.6 105.3 104.4 AI
Gilts-PCV2b 3 PCV2b-DNA-positive semen 105.8 105.5 104.6 AI

Number of pigs in each group;


PCV2 genomic copy numbers/mL;


Artificial insemination.