Table 2 Cow level prevalence of beef cows with at least one udder quarter with subclinical mastitis (SCC ≥200 000/ml), intramammary infection (IMI) of any bacteria, Staphylococcus aureus IMI , or no milk production (blind quarter) within a month after calving and at weaning in 10 beef cow herds
From: Udder health in beef cows and its association with calf growth
Variable | Cows after calving (n = 104) n (%) | Cows at weaning (n = 90) n (%) |
|---|---|---|
SCC ≥200 000/ml | 48 (46.1) | 52 (57.8) |
Any IMI | 42 (40.4) | 38 (42.2) |
S. aureus IMI | 15 (14.4) | 17 (18.9) |
Blind quarter | 11 (10.6) | 8 (8.9) |