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 3.46
Milk (kg) -138.00 -0.014 1.93
Fat (kg) -3.84 -0.375 1.44
Prot (kg) -0.21 -0.441 0.09
Fertility Sub Index 1.22
Calving Interval (days) -0.30 -1.459 0.44
Survival (%) 0.70 1.117 0.78
Calving Sub Index 3.78
Gestation Length (days) -4.11 -0.919 3.78
Beef Sub Index 1.34
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 0.45 -0.432 -0.19
Maintenance Sub Index Maint. Sub Index 3.34
Live WT (kg) -10.90 -0.307 3.34
Total Carbon Sub Index 13.14

* Based on an €80/tonne carbon price