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Table 2 Intra-herd frequency of infection with M.suis and number of positive sows per gestation rank

From: Frequency of infection with Mycoplasma suis in gestating sows using qPCR on ten commercial French herds, and impact of the infection on clinical, haematological and biochemical parameters

 Number PCR Positive / Number sampled 
HerdGiltsRank 2Rank 3–4Rank ≥5Overall
12/61/34/63/550%
25/55/56/63/495%
33/53/54/63/465%
42/54/54/51/555%
54/50/52/53/545%
64/42/61/61/440%
72/53/44/51/553%
83/51/51/51/530%
90/40/31/30/95%
105/55/55/53/590%
Total30/4924/4632/5219/5153%