Table 2 Associations of infection intensity with the respective risk factors.
Risk factors | Category | No. of sheep examined | No. of positive | Level of infection in% | χ2 | P-value | ||
|---|---|---|---|---|---|---|---|---|
Light | Moderate | Heavy | ||||||
Study site | W/A | 137 | 64 | 25 (39.0) | 28 (43.8) | 11 (17.2) | 11.6 | 0.071 |
E/W | 116 | 65 | 21 (32.3) | 41 (63.1) | 3 (4.6) | |||
N/T | 131 | 64 | 20 (31.3) | 32 (50.0) | 12 (18.7) | |||
Age | Young | 177 | 102 | 36 (35.3) | 52 (51.0) | 14 (13.7) | 7.3 | 0.063 |
Adult | 207 | 91 | 30 (33.0) | 49 (53.8) | 12 (13.2) | |||
Sex | Male | 175 | 90 | 36 (40.0) | 38 (42.2) | 16 (17.8) | 7.5 | 0.058 |
Female | 209 | 103 | 30 (29.1) | 63 (61.2) | 10 (9.7) | |||
BCS | Poor | 135 | 109 | 35 (32.1) | 57 (52.3) | 17 (15.6) | 82.4 | 0.000 |
Medium | 172 | 64 | 21 (32.8) | 35 (54.7) | 8 (12.5) | |||
Good | 77 | 20 | 10 (50.00) | 9 (45.00) | 1 (5.00) | |||
M/sys | Extensive | 209 | 95 | 32 (33.7) | 44 (46.3) | 19 (20.00) | 11.5 | 0.009 |
S/intensive | 175 | 98 | 34 (34.7) | 57 (58.2) | 7 (7.1) | |||
Past D/history | Treated | 235 | 94 | 32 (34.0) | 50 (53.2) | 12 (12.8) | 25.6 | 0.000 |
Untreated | 149 | 99 | 34 (34.3) | 51 (51.5) | 14 (14.2) | |||
Total | 384 | 193 (50.3) | 66 (34.2) | 101 (52.3) | 26 (13.5) | |||