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 2.18
Milk (kg) -28.00 -0.014 0.39
Fat (kg) -1.65 -0.375 0.62
Prot (kg) -2.64 -0.441 1.17
Fertility Sub Index -5.87
Calving Interval (days) 2.95 -1.459 -4.30
Survival (%) -1.40 1.117 -1.56
Calving Sub Index -0.29
Gestation Length (days) 0.32 -0.919 -0.29
Beef Sub Index 0.50
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 1.28 -0.432 -0.55
Maintenance Sub Index Maint. Sub Index 0.67
Live WT (kg) -2.20 -0.307 0.67
Total Carbon Sub Index -2.81

* Based on an €80/tonne carbon price