Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
Sep 2025 Milk Sub Index 10.00
Milk (kg) -178.00 -0.014 2.49
Fat (kg) -11.96 -0.375 4.48
Prot (kg) -6.86 -0.441 3.03
Fertility Sub Index 1.86
Calving Interval (days) -0.73 -1.459 1.07
Survival (%) 0.71 1.117 0.79
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index -0.30
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 3.01 -0.432 -1.30
Maintenance Sub Index Maint. Sub Index 3.34
Live WT (kg) -10.90 -0.307 3.34
Total Carbon Sub Index 18.60

* Based on an €80/tonne carbon price