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 3.93
Milk (kg) -178.00 -0.014 2.49
Fat (kg) 0.31 -0.375 -0.12
Prot (kg) -3.53 -0.441 1.56
Fertility Sub Index -1.46
Calving Interval (days) 1.04 -1.459 -1.52
Survival (%) 0.05 1.117 0.06
Calving Sub Index 0.76
Gestation Length (days) -0.83 -0.919 0.76
Beef Sub Index 0.43
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 0.34 -0.432 -0.15
Maintenance Sub Index Maint. Sub Index -0.40
Live WT (kg) 1.30 -0.307 -0.40
Total Carbon Sub Index 3.27

* Based on an €80/tonne carbon price