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 6.19
Milk (kg) -32.00 -0.014 0.45
Fat (kg) -8.06 -0.375 3.02
Prot (kg) -6.17 -0.441 2.72
Fertility Sub Index -0.12
Calving Interval (days) -0.50 -1.459 0.73
Survival (%) -0.76 1.117 -0.85
Calving Sub Index 0.73
Gestation Length (days) -0.79 -0.919 0.73
Beef Sub Index 0.02
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 2.39 -0.432 -1.03
Maintenance Sub Index Maint. Sub Index 2.73
Live WT (kg) -8.90 -0.307 2.73
Total Carbon Sub Index 9.55

* Based on an €80/tonne carbon price