Groups | |||
---|---|---|---|
Breed | All cows (100 per breed) | Young cows, 2 to 4 years (50 per breed) | Old cows, 4.1 to 6 years (50 per breed) |
Brown Swiss (n = 100) | 18,120 ± 3830a (14,290–21,950) | 17,566 ± 3850 (13,716–21,416) | 18,674 ± 3728 (14,946–22,402) |
Holstein Friesian (n = 100) | 16,522 ± 3528 (12,994–20,050) | 16,204 ± 3462 (12,742–19,667) | 16,840 ± 3564 (13,276–20,404) |
Swiss Fleckvieh (n = 100) | 16,588 ± 3335 (13,252–19,923) | 15,804 ± 3158 (12,646–18,961) | 17,372 ± 3324 (14,047–20,696) |
All cows (n = 300) | 17,077 ± 3646 (13,431–20,722) | 16,525 ± 3582b (12,943–20,106) | 17,628 ± 3626 (14,003–21,254) |