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 6.06
Milk (kg) -180.00 -0.014 2.52
Fat (kg) -4.17 -0.375 1.56
Prot (kg) -4.49 -0.441 1.98
Fertility Sub Index 2.03
Calving Interval (days) -1.20 -1.459 1.75
Survival (%) 0.25 1.117 0.28
Calving Sub Index 0.53
Gestation Length (days) -0.58 -0.919 0.53
Beef Sub Index 2.30
Carcass Weight (kg) -5.00 -0.528 2.64
Age of Slaughter (days) 0.78 -0.432 -0.34
Maintenance Sub Index Maint. Sub Index 4.57
Live WT (kg) -14.90 -0.307 4.57
Total Carbon Sub Index 15.50

* Based on an €80/tonne carbon price