Table 1 Data on farm reporting congenital disorders in four Swiss sheep breeds during a 10-year-period (2002–2012)
SWA | BHM | SBS | VBS | Total | z2P* | ||
|---|---|---|---|---|---|---|---|
Arthrogryposis | No. of farm reports | 43 | 14 | 13 | 6 | 76 | 0.12 |
Total no. of farms | 380 | 200 | 148 | 119 | 847 | ||
Prevalence (%) | 11.3 | 7 | 8.8 | 5 | 9 | ||
Atresia ani | No. of farm reports | 42 | 11 | 7 | 5 | 65 | 0.01 |
Total no. of farms | 380 | 199 | 148 | 119 | 846 | ||
Prevalence (%) | 11.1 | 5.5 | 4.7 | 4.2 | 7.7 | ||
Brachygnathia | No. of farm reports | 131 | 34 | 66 | 19 | 250 | <0.001 |
inferior | Total no. of farms | 381 | 199 | 148 | 119 | 847 | |
Prevalence (%) | 34.4 | 17.1 | 44.6 | 16 | 29.5 | ||
Cleft palate | No. of farm reports | 8 | 1 | 4 | 1 | 14 | 0.31 |
Total no. of farms | 381 | 199 | 148 | 119 | 847 | ||
Prevalence (%) | 2.1 | 0.5 | 2.7 | 0.8 | 1.7 | ||
Cryptorchidism | No. of farm reports | 46 | 23 | 17 | 3 | 89 | 0.02 |
Total no. of farms | 379 | 199 | 147 | 119 | 844 | ||
Prevalence (%) | 12.1 | 11.6 | 11.6 | 2.5 | 10.5 | ||
Entropion | No. of farm reports | 202 | 74 | 10 | 3 | 289 | <0.001 |
Total no. of farms | 385 | 203 | 150 | 123 | 861 | ||
Prevalence (%) | 52.5 | 36.5 | 6.7 | 2.4 | 33.6 | ||
Umbilical/ | No. of farm reports | 75 | 30 | 22 | 7 | 134 | 0.004 |
abdominal hernia | Total no. of farms | 380 | 198 | 148 | 119 | 845 | |
Prevalence (%) | 19.7 | 15.2 | 14.9 | 5.9 | 15.9 | ||
Scrotal/inguinal | No. of farm reports | 22 | 4 | 4 | 28 | 58 | <0.001 |
hernia | Total no. of farms | 380 | 198 | 147 | 119 | 844 | |
Prevalence (%) | 5.8 | 2.0 | 2.7 | 23.5 | 6.9 | ||
Hydrocephalus | No. of farm reports | 22 | 4 | 3 | 1 | 30 | 0.015 |
Total no. of farms | 379 | 200 | 146 | 119 | 844 | ||
Prevalence (%) | 5.8 | 2 | 2.1 | 0.8 | 3.6 | ||
Microphthalmia | No. of farm reports | 5 | 3 | 1 | 0 | 9 | 0.56 |
Total no. of farms | 381 | 199 | 147 | 119 | 846 | ||
Prevalence (%) | 1.3 | 1.5 | 0.7 | 0 | 1.1 | ||
Torticollis | No. of farm reports | 48 | 24 | 9 | 8 | 89 | 0.07 |
Total no. of farms | 381 | 198 | 147 | 119 | 845 | ||
Prevalence (%) | 12.6 | 12.1 | 6.1 | 6.7 | 10.5 |