Table 2.
Number of dogs whose blood samples were PCR-positive for each of the four pathogens at each of the three time points
| May 2019 | Region | Sex1 | Age in years2 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Pathogen | Total n = 428 |
North n = 265 |
South n = 163 |
Male n = 263 |
Female n = 164 |
1-1.5 n = 94 |
2-2.5 n = 151 |
3-3.5 n = 113 |
4–5 n = 70 |
| Anaplasma platys | 94 (22.0)3 | 54 (20.4) | 40 (24.5) | 55 (20.9) | 39 (23.7) | 26 (27.6) | 42 (27.8) | 19 (16.8) | 7 (10.0) |
| Babesia vogeli | 8 (1.9) | 0 | 8 (4.9) | 4 (1.5) | 4 (2.4) | 2 (2.1) | 5 (3.3) | 0 | 1 (1.4) |
| Ehrlichia canis | 119 (27.8) | 56 (21.1) | 63 (38.6) | 84 (31.9) | 35 (21.3) | 25 (26.6) | 43 (28.5) | 33 (29.2) | 18 (25.7) |
| Hepatozoon canis | 346 (80.8) | 194 (73.2) | 152 (93.2) | 214 (81.37) | 131 (79.9) | 75 (79.8) | 123 (81.5) | 94 (83.2) | 54 (77.1) |
| November 2019 | Region | Sex 1 | Age in years 2 | ||||||
| Pathogen |
Total n = 314 |
North n = 185 |
South n = 125 |
Male n = 191 |
Female n = 119 |
1-1.5 n = 66 |
2-2.5 n = 106 |
3-3.5 n = 85 |
4–5 n = 54 |
| Anaplasma platys | 46 (14.6) | 38 (20.5) | 8 (6.4) | 28 (14.7) | 18 (15.1) | 20 (30.3) | 14 (13.2) | 7 (8.2) | 5 (9.3) |
| Babesia vogeli | 4 (1.3) | 0 | 4 (3.2) | 1 (0.5) | 3 (2.5) | 0 | 2 (1.9) | 2 (2.4) | 0 |
| Ehrlichia canis | 22 (7.0) | 17 (9.2) | 5 (4) | 14 (7.3) | 8 (6.7) | 3 (4.5) | 8 (7.5) | 7 (8.2) | 4 (7.4) |
| Hepatozoon canis | 211 (67.2) | 161 (87.0) | 50 (40) | 137 (71.7) | 73 (61.3) | 50 (75.8) | 67 (63.2) | 54 (63.5) | 40 (74.1) |
| June 2020 | Region | Sex | Age in years 2 | ||||||
| Pathogen |
Total n = 257 |
North n = 159 |
South n = 98 |
Male n = 157 |
Female n = 97 |
1-1.5 n = 51 |
2-2.5 n = 84 |
3-3.5 n = 77 |
4–5 n = 42 |
| Anaplasma platys | 26 (10.1) | 19 (11.9) | 7 (7.1) | 16 (10.2) | 10 (10.3) | 8 (15.7) | 7 (8.3) | 8 (10.4) | 3 (7.1) |
| Babesia vogeli | 1 (0.4) | 0 | 1 (1.0) | 0 | 1 (1.0) | 0 | 0 | 1 (1.3) | 0 |
| Ehrlichia canis | 23 (9.0) | 13 (8.2) | 10 (10.2) | 16 (10.2) | 6 (6.2) | 4 (7.8) | 8 (9.5) | 9 (11.7) | 1 (2.4) |
| Hepatozoon canis | 240 (93.4) | 147 (92.5) | 93 (94.9) | 147 (93.6) | 91 (93.8) | 45 (88.2) | 82 (97.6) | 70 (90.9) | 41 (97.6) |
1Sex was unknown for one dog sampled in May and November 2019
2Dogs were aged to the nearest 0.5 years
3Percentages are provided in parentheses