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 4.52
Milk (kg) -87.00 -0.014 1.22
Fat (kg) -3.07 -0.375 1.15
Prot (kg) -4.88 -0.441 2.15
Fertility Sub Index 1.71
Calving Interval (days) -2.00 -1.459 2.92
Survival (%) -1.08 1.117 -1.21
Calving Sub Index 1.08
Gestation Length (days) -1.18 -0.919 1.08
Beef Sub Index 0.38
Carcass Weight (kg) -0.60 -0.528 0.32
Age of Slaughter (days) -0.14 -0.432 0.06
Maintenance Sub Index Maint. Sub Index 0.18
Live WT (kg) -0.60 -0.307 0.18
Total Carbon Sub Index 7.88

* Based on an €80/tonne carbon price