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 11.55
Milk (kg) -112.00 -0.014 1.57
Fat (kg) -13.89 -0.375 5.20
Prot (kg) -10.83 -0.441 4.78
Fertility Sub Index 3.65
Calving Interval (days) -3.52 -1.459 5.14
Survival (%) -1.33 1.117 -1.49
Calving Sub Index -0.64
Gestation Length (days) 0.70 -0.919 -0.64
Beef Sub Index 3.03
Carcass Weight (kg) -4.70 -0.528 2.48
Age of Slaughter (days) -1.27 -0.432 0.55
Maintenance Sub Index Maint. Sub Index 2.97
Live WT (kg) -9.70 -0.307 2.97
Total Carbon Sub Index 20.55

* Based on an €80/tonne carbon price