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 4.53
Milk (kg) -94.00 -0.014 1.32
Fat (kg) -4.22 -0.375 1.58
Prot (kg) -3.69 -0.441 1.63
Fertility Sub Index 1.54
Calving Interval (days) -1.02 -1.459 1.49
Survival (%) 0.05 1.117 0.06
Calving Sub Index 1.71
Gestation Length (days) -1.86 -0.919 1.71
Beef Sub Index 1.04
Carcass Weight (kg) -0.20 -0.528 0.11
Age of Slaughter (days) -2.16 -0.432 0.93
Maintenance Sub Index Maint. Sub Index 4.32
Live WT (kg) -14.10 -0.307 4.32
Total Carbon Sub Index 13.14

* Based on an €80/tonne carbon price