Table 1 Characteristics of dairy cows from 67 small and large scale dairy farms in Mekelle, Northern Ethiopia
From: Burden and antimicrobial resistance of S. aureus in dairy farms in Mekelle, Northern Ethiopia
Variables | Sub-city and number of lactating cows | Total, n/385 (%) | ||
|---|---|---|---|---|
Hadnet (n = 84) (%) | Hawolti (n = 200) (%) | Semen (n = 101) (%) | ||
Age group in years | ||||
 3–5 years | 39 (46.4) | 94 (47.0) | 45 (44.6) | 178 (46.2) |
 6–8 years | 34 (40.5) | 87 (43.5) | 47 (46.5) | 168 (43.6) |
 ≥ 9 years | 11 (13.1) | 19 (9.5) | 9 (8.9) | 39 (10.1) |
Parity | ||||
 1–3 | 52 (61.9) | 135 (67.5) | 67 (66.3) | 254 (66.0) |
 4–6 | 28 (33.3) | 53 (26.5) | 32 (31.7) | 113 (29.4) |
 > 6 | 4 (4.8) | 12 (6.0) | 2 (2.0) | 18 (4.7) |
Lactation | ||||
 < 3 month | 59 (70.2) | 90 (45.0) | 54 (53.5) | 203 (52.7) |
 3–6 month | 25 (29.8) | 63 (31.5) | 39 (38.6) | 127 (33.0) |
 > 6 month | 0 (0) | 47 (23.5) | 8 (7.9) | 55 (14.3) |