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Table 1 Outline of farms affected by PED

From: Efficacy of genogroup 1 based porcine epidemic diarrhea live vaccine against genogroup 2 field strain in Japan

Farm Production system Number of sows Live vaccine inoculation to pregnant pigs Feedback to pregnant sows
A Farrow-to-finish 800 Inoculated once or twice during gestational period Yes
B Farrow-to-finish 800 Inoculated twice during gestational period No
C Farrow-to-finish 943 Not inoculated Yes