Table 3.
Infection rates and distribution of Cryptosporidium spp. and Giardia duodenalis among cattle of different ages and with or without diarrhea.
| Variable | Overall infection rate (%) (no. positive/no. of samples) | Infection rate (%) (n) and correlation |
|||||||
|---|---|---|---|---|---|---|---|---|---|
|
Cryptosporidium spp. |
G. duodenalis |
||||||||
| Infection rate (%) (n) | Cryptosporidium spp. | p-value | OR (95% CI) | Infection rate (%) (n) | G. duodenalis assemblages | p-value | OR (95% CI) | ||
| Age (month) | |||||||||
| <3 | 17.5 (21/120) | 10.0 (12) | C. parvum (12) | 0.011 | 1.00 | 7.5 (9) | E (9) | <0.001 | 1.00 |
| 3–11 | 6.8 (11/162) | 4.9 (8) | C. andersoni (3), C. bovis (4), C. ryanae (1) | 0.158 | 0.47 (0.18–1.18) | 1.8 (3) | E (3) | 0.033 | 0.23 (0.06–0.88) |
| 12–24 | 4.4 (24/546) | 4.0 (22) | C. andersoni (22) | 0.019 | 0.38 (0.18–0.79) | 0.4 (2) | E (2) | <0.001 | 0.05 (0.01–0.22) |
| >24 | 2.9 (17/586) | 2.9 (17) | C. andersoni (17) | 0.001 | 0.27 (0.12–0.58) | 0 | |||
| Symptoma | |||||||||
| With diarrhea | 27.6 (16/58) | 17.2 (10) | C. parvum (10) | 1.00 | 10.3 (6) | E (6) | 1.00 | ||
| Without diarrhea | 8.1 (5/62) | 3.2 (2) | C. parvum (2) | 0.014 | 0.16 (0.03–0.76) | 4.8 (3) | E (3) | 0.312 | 0.44 (0.10–1.85) |
a
Only samples from <3 month-old group are included here.