Fig. 1.
Effect of year of calving on age at first calving (AFC, solid lines; y = 6.6048x + 415.47; R² =0.39 ) and calving interval (CI, dashed lines, y = 63.451x + 827.42; R² = 0.73) in dairy cattle.
Effect of year of calving on age at first calving (AFC, solid lines; y = 6.6048x + 415.47; R² =0.39 ) and calving interval (CI, dashed lines, y = 63.451x + 827.42; R² = 0.73) in dairy cattle.