Age | Virus | CL shedding: number of birds shedding/total (Log 10 EID 50 /mL) a | |||||||
---|---|---|---|---|---|---|---|---|---|
NDV | HPAIV | ||||||||
2 dpi | 3 dpi | 4 dpi | 7 dpi | 2 dpi | 3 dpi | 4 dpi | 7 dpi | ||
2 weeks old | HPAIV | nd | nd | nd | nd | 3/7 (9.8 ± 0.6)A | 0/4A | 0/4A | 0/4A |
mNDV | 0/10A | 8/10 (2.8 ± 0.3)A | 8/8 (3.6 ± 0.2)A | 10/10 (3.6 ± 0.2)A | nd | nd | nd | nd | |
mNDV + HPAIV | 0/4A | 2/2 (2.1 ± 0.4)A | 2/2 (3.7 ± 0.2)A | 2/2 (4.5 ± 0.15)A | 2/4 (8.5 ± 2.8)A | 0/2A | 0/2A | 0/2A | |
mNDV + HPAIV 3 days later | 1/9 (2.1)A | 8/10 (2.9 ± 0.1)A | 10/10 (3.9 ± 0.2)A | 9/9 (4.3 ± 0.2)A | 0/10B | 0/10A | 3/9 (2.2 ± 0.5)A | 1/9 (6.9)A | |
4 weeks old | HPAIV | nd | nd | nd | nd | 4/9 (8.1 ± 0.8)A | 1/5 (5.6)A | 1/4 (5.4)A | 0/2A |
mNDV | 0/10 | 4/8 (1.9 ± 0.1)A | 8/8 (2.9 ± 0.1)A | 8/8 (3.9 ± 0.1)A | nd | nd | nd | nd | |
mNDV + HPAIV | 1/5 (1.8) | 1/2 (2.5)A | 1/2 (3.2)A | 2/2 (3.7 ± 0.3)A | 3/5 (8.1 ± 2.5)A | 0/2A | 0/2A | 0/2A | |
mNDV + HPAIV 3 days later | 0/10 | 5/10 (2.3 ± 0.2)A | 10/10 (3.7 ± 0.2)*B | 10/10 (4.2 ± 0.2)A | 0/10*B | 1/10 (1.6)A | 0/10A | 1/10 (4)A |