Table 3.
Multivariable analysis for predictors for high number of lambs/kids born per ewe/female goat in sheep and goat farms in Greece.
| Variables | Odds Ratio 1 (95% Confidence Intervals) |
p-Value |
|---|---|---|
| Sheep Flocks | ||
| Application of reproductive control | 0.006 | |
| Yes (51/108 = 47.2% 2) | 1.390 (0.872–2.214) | 0.17 |
| No (85/217 = 39.2%) | reference | - |
| Location of farm | 0.014 | |
| Northern part of Greece (82/153 = 53.6%) | 2.525 (1.561–4.083) | 0.0002 |
| Central part of Greece (43/137 = 31.4%) | reference | - |
| Southern part of Greece (11/35 = 31.4%) | 1.002 (0.450–2.229) | 0.99 |
| Presence of working staff | 0.030 | |
| Yes (59/123 = 48.0%) | 1.497 (0.951–2.356) | 0.08 |
| No (77/202 = 38.1%) | reference | - |
| Collaboration with veterinary practice | 0.031 | |
| Yes (123/283 = 43.5%) | 1.656 (0.823–3.329) | 0.16 |
| No (13/41 = 31.7%) | reference | - |
| Breed of ewes | 0.042 | |
| Crossbreeds (12/43 = 27.9%) | reference | - |
| Imported breeds (70/139 = 50.4%) | 2.621 (1.245–5.519) | 0.011 |
| Local breeds (54/143 = 37.8%) | 1.567 (0.742–3.309) | 0.24 |
| Goat Herds | ||
| Application of reproductive control | <0.0001 | |
| Yes (14/20 = 70.0%) | 5.118 (1.797–14.575) | 0.002 |
| No (31/99 = 31.3%) | reference | - |
| Breed of ewes | 0.041 | |
| Crossbreeds (9/18 = 50.0%) | 3.000 (0.994–9.052) | 0.05 |
| Imported breeds (22/45 = 48.9%) | 2.870 (1.237–6.655) | 0.014 |
| Local breeds (14/56 = 25.0%) | reference | - |
1 Odds ratios calculated against the lowest prevalence associations of the variable. 2 Numerator: no. of farms among those included in the denominator, in which the outcome of interest was seen; denominator: no. of farms in which the studied variable prevailed.