Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 1.77
Milk (kg) -18.00 -0.014 0.25
Fat (kg) -3.51 -0.375 1.31
Prot (kg) -0.47 -0.441 0.21
Fertility Sub Index 3.76
Calving Interval (days) -2.27 -1.459 3.31
Survival (%) 0.40 1.117 0.45
Calving Sub Index -0.66
Gestation Length (days) 0.72 -0.919 -0.66
Beef Sub Index -3.80
Carcass Weight (kg) 8.70 -0.528 -4.59
Age of Slaughter (days) -1.84 -0.432 0.79
Maintenance Sub Index Maint. Sub Index -5.52
Live WT (kg) 18.00 -0.307 -5.52
Total Carbon Sub Index -4.44

* Based on an €80/tonne carbon price