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) | 282 ± 56a (226–338) | 271 ± 54 (217–326) | 293 ± 55 (237–348) |
Holstein Friesian (n = 100) | 256 ± 50 (206–307) | 248 ± 47 (202–295) | 264 ± 53 (211–318) |
Swiss Fleckvieh (n = 100) | 258 ± 51 (207–309) | 239 ± 44 (195–283) | 276 ± 51 (225–327) |
All cows (n = 300) | 265 ± 54 (211–319) | 253 ± 50b (203–303) | 278 ± 55 (223–332) |