Variables | Categories | No. of examined | No of positive N (%) |
---|---|---|---|
Age | < 12 months | 111 | 75 (67.6%) |
> 12 months | 273 | 183 (67.0%) | |
Breed | Bovans | 162 | 117 (72.2%) |
White leghorn | 152 | 78 (51.3%) | |
Sasso | 70 | 63 (90.0%) | |
Sex | Male | 40 | 29 (72.5%) |
Female | 344 | 229 (66.6%) | |
Type of production | Egg only | 213 | 131 (61.5%) |
Meat only | 51 | 36 (70.6%) | |
Meat and eggs | 120 | 91 (75.8%) | |
Total | 384 | 258 (67.2%) |