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Table 5 Monitoring of emaciation disease for olive flounder (P. olivaceus) farms in 2015

From: Monitoring of emaciation disease in cultured Paralichthys olivaceus of Jeju island during 2014–2015

Year Month Detection rate (%)
< 10 cm 11~20 cm 21~30 cm 31 cm < Total farm
2015 Mar and Apr 0 (0/15) a 47.8 (13/23) 81.8 (9/11) 72.1 (8/11) 50 (30/60)
May and Jun 0 (0/6) 10.3 (3/29) 23 (3/13) 42.8 (3/7) 16.3 (9/55)
Jul and Aug 100 (3/3) 95 (19/20) 86.9 (20/23) 83.3 (5/6) 90.3 (47/52)
Oct 25 (1/4) 87.5 (14/16) 92.8 (13/14) 89.4 (17/19) 84.9 (45/53)
  Total 14.2 (4/28) 55.6 (49/88) 73.7 (45/61) 76.7 (33/43) 59.5 (131/220)
  1. aNumber of PCR positive/number of farm