Table 1 Descriptive statistics of herd data for the two herds included in a study on vaccination with Startvac® for the 12-months period preceding the start of the trial
From: Vaccination against Staphylococcus aureus mastitis in two Swedish dairy herds
Herd data | Herd A | Herd B |
|---|---|---|
Number of cows | 628 | 172 |
Average milk yield, kg ECM/cow/year | 11,546 | 11,085 |
Arithmetic average bulk milk SCC/ml | 293,000 | 160,000 |
Proportion of cows veterinary-treated for clinical mastitis (%) | 17 | 28 |