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 4.28
Milk (kg) -146.00 -0.014 2.04
Fat (kg) -0.78 -0.375 0.29
Prot (kg) -4.40 -0.441 1.94
Fertility Sub Index -1.59
Calving Interval (days) 1.21 -1.459 -1.77
Survival (%) 0.16 1.117 0.18
Calving Sub Index 0.77
Gestation Length (days) -0.84 -0.919 0.77
Beef Sub Index -2.14
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 8.98 -0.432 -3.88
Maintenance Sub Index Maint. Sub Index 6.68
Live WT (kg) -21.80 -0.307 6.68
Total Carbon Sub Index 8.01

* Based on an €80/tonne carbon price