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. 2020 Nov 6;7(1):e000429. doi: 10.1136/vetreco-2020-000429

Table 3.

Specific IgG titres on day of vaccination and day of challenge

Group PI3V BRSV
Animal D0 (vaccination) D92 (challenge) Animal D0 (vaccination) D84 (challenge)
Control MDA+ 632181 2 1 641479 4 <2
643429 1024 1 643771 4 <2
643433 1024 1 643774 16 <2
689106 128 1 643778 8 <2
689109 256 1 643781 4 <2
643424 1024 512*
643427 256 8*
643432 512 64*
Mean 235 1 Mean 6 <2
Vaccinated MDA− 637676 1 128 641480 <2 2
643435 1 512 643765 <2 4
643436 1 32 643766 <2 4
643437 1 128 643767 <2 8
643439 1 16 643768 <2 4
643440 1 16
Mean 1 64 Mean <2 4
Vaccinated MDA+ 643425 512 128 643769 8 8
643426 256 64 643770 8 4
643428 1024 64 643772 2 4
643430 128 32 643773 8 8
643431 256 32 643780 16 2
689108 32
689107 128 8
Mean 210 40 Mean 7 5

*Still seropositive, excluded from challenge.

†Died on day 7 from sepsis following omphalitis.

BRSV, bovine respiratory syncytial virus; MDA, maternally derived antibodies; PI3V, parainfluenza type 3 virus.