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Short Note

Table 1.

Prevalence of antibodies to Neospora caninum in dogs from Portugal as determined by a competitive ELISA.

Independent variable/category No. of dogs tested (%) Seroprevalence (%) 95% CI (%)
Region 441 p = 0.016
 North 88 (20.0) 10.2a 4.8–18.5
 Centre 83 (18.8) 1.2a,b,c 0.03–6.5
 Alentejo 110 (24.9) 5.5d 2.0–11.5
 Lisbon 80 (18.1) 15.0b,d 8.0–24.7
 Algarve 80 (18.1) 8.8c 3.6–17.2
Gender 430 p = 0.555
 Female 211 (49.1) 7.1 4.0–11.4
 Male 219 (50.9) 9.1 5.7–13.7
Breed 426 p = 0.151
 Pure 256 (60.1) 6.3 3.6–9.9
 Mongrel 170 (39.9) 10.6 6.4–16.2
Age (months) 409 p = 0.312
 [2–11] 32 (7.8) 12.5 3.5–29.0
 [12–204] 377 (92.2) 7.7 5.2–10.9
Main aptitude 319 ND
 Pet 115 (36.1) 7.0 3.1–13.2
 Hunting 59 (18.5) 1.7e 0.04–9.1
 Stray 59 (18.5) 13.6e 6.0–25.0
 Guard and watch 44 (13.8) 11.4 3.8–24.6
 Farm and pastoral 21 (6.6) 4.8 0.6–16.2
Habitat 359 p = 0.745
 Urban 132 (36.8) 6.8 3.2–12.5
 Rural 227 (63.2) 8.4 5.1–12.8
Housing 419 p = 0.137
 Totally indoors 36 (8.6) 0.0 0.0–9.7
 In- and outdoors 157 (37.5) 10.2 5.9–16.0
 Totally outdoors 226 (53.9) 8.4 5.1–12.8
Contact with other animals 405 p = 0.254
 No 98 (24.2) 5.1 1.7–11.5
 Yes 307 (75.8) 9.4 6.4–13.3
Food 264 p = 0.257
 Strictly commercial 127 (48.1) 3.9 1.3–8.9
 Including or strictly home-prepared 137 (51.9) 8.0 4.1–13.9
Compatible clinical signs 284 p = 0.050
 Absent 270 (95.1) 5.6 3.1–9.0
 Present* 14 (4.9) 21.4 4.7–50.8
Total 441 7.9 5.4–10.6
a

p = 0.018

b

p = 0.003

c

p = 0.032

d

p = 0.049

e

p = 0.032; ND: not determined/validated

*

musculoskeletal or neurological.

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