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Table 1 Geometric mean (95% CI) of virus neutralizing serum antibody titers to BVDV 1, BVDV 2, and BVDV 2 1373 from vaccinated (B, C, and D) and unvaccinated (A) calves at each time period

From: Efficacy of multivalent, modified- live virus (MLV) vaccines administered to early weaned beef calves subsequently challenged with virulent Bovine viral diarrhea virus type 2

  Day of Study
Virus Group −75 −45 0 28
BVDV 1 NADL A 157.58 (31.12 – 831.74) 60.12 (14.52 – 250.73) 15.03 (5.93 – 38.05) 35.75 (17.38 – 74.02)
B 135.29NS (28.64 – 639.14) 67.64NS (17.50 – 259.57) 107.63 * (62.68 – 183.54) 861.07 * (377.41 - 1951)
C 222.86NS (67.64 – 765.36) 101.12NS (30.27 – 337.79) 202.25 * (110.66 – 369.64) 680.28 * (225.97 - 2048)
D 194.01NS (45.56 – 903.88) 95.67NS (22.47 – 407.31) 36.25NS (12.04 – 108.38) 57.70NS (12.99 – 213.78)
BVDV 2 125c A 107.63 (23.10 - 498) 47.83 (13.08 – 173.64) 14.22 (4.08 – 49.18) 608.87 (292.03 – 1260.69)
B 101.12NS (23.26 – 439.58) 60.12NS (15.67 – 232.32) 42.52NS (22.47 – 80.44) 809NS (455.08 – 1438.15)
C 128NS (38.85 – 418.76) 85.03NS (26.53 – 272.47) 60.12 * (26.35 – 138.14) 1820.34NS (955.42 – 3468.26)
D 128NS (40.78 – 398.93) 90.50NS (31.34 – 259.57) 29.85NS (15.24 – 58.89) 286.02NS (149.08 – 1541.37)
BVDV 2 1373 A _ _ 16.91 (5.02 – 56.44) 861.07 (424.61 – 1734.13)
B _ _ 76.10 * (47.50 – 121.09) 643.59NS (352.13 – 1176.26)
C _ _ 93.05 * (49.18 – 176.06) 1530.72NS (617.37 – 3795.30)
D _ _ 56.10NS (28.44 – 11.43) 544.95NS (245.57 – 1200.98)
  1. NS, *Means within BVDV strain and Day of Study are not significantly different (NS) from the control group A or are significantly different (*) based on Dunnett’s test at P = 0.05.