Table 4. BCS and estrus cycle of Hanwoo cows with different NR levels

NR (%) No. cow Body weight (kg) BCS Estrus cycle (day)
80 6 364.6 ± 10.0c 2.6 ± 0.1c 24.6 ± 2.8
100 8 431.0 ± 17.6b 3.2 ± 0.1b 20.8 ± 0.2
120 5 482.4 ± 20.3a 3.7 ± 0.1a 21.2 ± 0.5
All values are mean ± standard error.
Values with different superscripts within a column (p < 0.05).
BCS, body condition score; NR, nutrient requirements.