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Table 2 cELISA PN antibody levels in vaccinated animals before vaccination and seroconversion status.

From: Colostral antibody induced interference of inactivated bluetongue serotype-8 vaccines in calves

Population N# S1 (48 d) S2 (80 d) S3 (111 d) S4 (139 d) S5 (202 d) Seroconversion statusa
Font 1 6 5 8 70 126 Neg
  2 6 14 41 76 114 Neg
  3 7 108 119 89 15 Pos
  4 5 8 44 95 115 Neg
  5 5 7 25 92 129 Neg
  6 4 8 16 96 111 Neg
  7 5 6 76 97 115 Neg
  8 6 23 75 99 97 Neg
  9 6 114 117 113 19 Pos
  10 11 90 103 110 9 Pos
Tour A 7 17 62 78 43 Dbt
  B 8 18 57 84 45 Neg
  C 10 23 72 93 70 Neg
Total   8 (6-11) 104 (90-114) 113 (103-119) 104 (89-113) 14 (9-19) Pos (3/13)
   6 (5-10) 13 (5-23) 48 (8-76) 88 (70-99) 96 (43-129) Neg or Dbt (10/13)
Strong responders   6-11 90-114 103-119 89-113 < 19 Pos (3/3)
Mild responders   7-10 17-23 57-72 78-93 43-70 Pos (0/3)
Non responders   5-6 5-24 8-76 70-99 > 96 Pos (0/7)
  1. PN ≤ 35 is positive (pos); 35 < PN ≤ 45 is doubtful (dbt); PN > 45 is negative. The mean age of the calves is given in days (d) in parenthesis for each sample (S). Calves were vaccinated at the mean age of 118 days (i.e. between S3 and 4).