Table 2: Herd structure and feed composition during the four seasons.

ItemsHeadsCorn silage (kg head−1 d−1)Concentrates (kg head−1 d−1)Total dry matter intake (kg head−1 d−1)

Lactating cows72210.489.2519.73
Nonlactating cows2169.552.4912.04
Heifer (12–24 months)2388.684.8713.55
Calves (3–12 months)1033.712.366.07
Calves (<3 months)66