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Table 2 Neutralizing antibody titer in serum and milk of sows

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

Sample Group Sow number Colostrum at farrowing Number of days after challenge
0 2 7
Serum Vaccinated group 826   32 N. T. 256
677   128 N. T. 512
Non-vaccinated group 72   <  2 N. T. <  2
Milk Vaccinated group 826 64 <  2 2 128
677 128 <  2 16 128
Non-vaccinated group 72 <  2 <  2 N. T. N. T.
  1. N. T. Not tested