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 2.81
Milk (kg) -87.00 -0.014 1.22
Fat (kg) -0.16 -0.375 0.06
Prot (kg) -3.46 -0.441 1.53
Fertility Sub Index 3.37
Calving Interval (days) -1.70 -1.459 2.48
Survival (%) 0.80 1.117 0.89
Calving Sub Index -0.16
Gestation Length (days) 0.17 -0.919 -0.16
Beef Sub Index 0.55
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 0.81 -0.432 -0.35
Maintenance Sub Index Maint. Sub Index 1.84
Live WT (kg) -6.00 -0.307 1.84
Total Carbon Sub Index 8.40

* Based on an €80/tonne carbon price