Infectivity of porcine circovirus type 2 DNA in semen from experimentally-infected boars | Veterinary Research, a journal on Animal Infection

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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	n^a	Inoculum	Raw semen^b	Artificial insemination^b		Route
				1st dose	2nd and 3rd dose
Gilts-Control	3	PCV2-DNA-negative semen	–	–	–	AI^*
Gilts-PCV2a	3	PCV2a-DNA-positive semen	10^5.6	10^5.3	10^4.4	AI
Gilts-PCV2b	3	PCV2b-DNA-positive semen	10^5.8	10^5.5	10^4.6	AI

Number of pigs in each group;

PCV2 genomic copy numbers/mL;

Artificial insemination.