Country | n (a) | ø herd size (range) | Variable | Level | Measure | Mean/prevalence | Reference |
---|---|---|---|---|---|---|---|
Clinical mastitis (CM) | |||||||
ES | 1 | 242 | CM (b) | Cow | Incidence | 22.1%; 5.1% | Astiz et al. (2014) |
USA | 8 | 178 | CM/weak | Herd | Incidence | 1.2% | Eckelkamp et al. (2016a,b) |
USA | 1 | 269 | CM | Cow | Prev. | 27.1% | Sjostrom et al. (2019) |
Somatic cell count (SCC) | |||||||
AT, DE, IT, NL, SI, SE | 16 | (14–175) | log10SCC | Herd | Marginal mean | 86.9 | Emanuelson et al. (2022) |
highSCC (c) | Herd | prev. | 18.9% | ||||
new highSCC (c) | Herd | Incidence | 12.2% | ||||
ES | 1 | 242 | SCC | Cow | Mean | 96.1 | Astiz et al. (2014) |
IT | 1 | 22 | CSCC | Cow | Mean | 51.5 | Biasato et al. (2019) |
USA | 36 | na | BMSCC | Herd | Mean | 259 | Eckelkamp et al. (2016) |
USA | 8 | 178 | Theoretical BMSCC | Herd | Mean | 241 | Eckelkamp et al. (2016) |
SCC ≥ 200 | Herd | Prev. | 21.8% | ||||
USA | 1 | 268 | SCS | Cow | LSmean | 2.57 | Heins et al. (2019) |
Number of farms.
CM within 150 DIM: first and second mastitis‐case incidence.
HighSCC: > 150 in primiparous cows, > 200 in multiparous cows.