Table 1 A summary of the general characteristics of each participating farm.
From: A HACCP-based approach to mastitis control in dairy herds. Part 2: Implementation and evaluation
Herd ID | Breed cows (>85% cows) | Number of milking cows per year | Number of full-time positions on farm | Housing system | Mean 305 Day Milk yield (kg) | Calving pattern |
|---|---|---|---|---|---|---|
1 | Crossbred (50% British Friesian 50% Holstein Friesian) | 68 | 1.3 | Loose housing; Straw yard | 5300 | Spring 70% Autumn 30% |
2 | Holstein Friesian | 148 | 2.8 | Loose housing; Cubicles | 7000 | Spring 60% Autumn 40% |
3 | Holstein Friesian | 150 | 2.5 | Loose housing; Cubicles | 8000 | Spring 50% Autumn 50% |
4 | Holstein Friesian | 80 | 1.3 | Loose Housing; Cubicles | 6500 | Spring 60% Autumn 40% |
5 | Jersey | 150 | 2.3 | Loose Housing; Cubicles Straw yard (20% milking cows) | 6000 | Spring 20% Autumn 80% |
6 | Holstein Friesian | 87 | 1.8 | Loose Housing; Cubicles | 7500 | Spring 50% Autumn 50% |