Table 5.
Inter-calving period/lactation* | No. of cows in herd | % of cows with mastitis** | Mean daily milk yield | Mean lnSCC for herd |
---|---|---|---|---|
I |
813 |
29.89 |
30.52 |
4.89 |
II |
918 |
27.67 |
34.25 |
5.14 |
III |
868 |
25.81 |
35.38 |
5.47 |
IV |
613 |
29.36 |
34.89 |
5.75 |
V |
395 |
35.70 |
33.60 |
6.00 |
VI |
243 |
34.98 |
32.39 |
6.24 |
Total | 990 | 51.41 | 31.82 | 5.58 |
*The percentage of cows with mastitis was calculated for the whole inter-calving period while the mean daily milk yield and SCC – for the lactation period.
**Cows affected by mastitis at least once in a given inter-calving period.