Table 3 Etiological agents in Nelore calves born from non-vaccinated and vaccinated dams in the pre-partum period
Dams Categories | Pathogens | Calves manifesting diarrhea | Healthy calves | |
|---|---|---|---|---|
VAC | NVAC | |||
Heifers | BoRVA | 60.00 (3/5)a | 85.71 (6/7)a | 16.66 (2/12)b |
BCoV | 0.00 (0/5) | 0.00 (0/7) | 0.00 (0/12) | |
Cryptosporidium spp. | 0.00 (0/5) | 0.00 (0/7) | 8.33 (1/12) | |
E. coli K99 | 0.00 (0/5) | 0.00 (0/7) | 0.00 (0/12) | |
Eimeria spp. | 20.00 (1/5) | 0.00 (0/7) | 8.33 (1/12) | |
BoRVA/BCoV | 0.00 (0/5) | 0.00 (0/7) | 0.00 (0/12) | |
Cows | BoRVA | 66.66 (4/6) | 60.00 (6/10) | 31.25 (5/16) |
BCoV | 16.66 (1/6) | 30.00 (3/10) | 18.75 (3/16) | |
Cryptosporidium spp. | 0.00 (0/6) | 0.00 (0/10) | 6.25 (1/16) | |
E. coli K99 | 0.00 (0/6) | 0.00 (0/10) | 0.00 (0/16) | |
Eimeria spp. | 0.00 (0/6) | 0.00 (0/10) | 0.00 (0/16) | |
BoRVA/BCoV | 0.00 (0/6) | 10.00 (1/10) | 6.25 (1/16) | |
Total dams | BoRVA | 63.63 (7/11)a | 70.58 (12/17)a | 25.00 (7/28)b |
BCoV | 9.09 (1/11) | 17.64 (3/17) | 10.71 (3/28) | |
Cryptosporidium spp. | 0.00 (0/11) | 0.00 (0/17) | 7.14 (2/28) | |
E. coli K99 | 0.00 (0/11) | 0.00 (0/17) | 0.00 (0/28) | |
Eimeria spp. | 0.00 (0/11) | 9.09 (1/11) | 3.57 (1/28) | |
BoRVA/BCoV | 0.00 (0/11) | 9.09 (1/11) | 3.57 (1/28) | |