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 3.13
Milk (kg) -79.00 -0.014 1.11
Fat (kg) -2.21 -0.375 0.83
Prot (kg) -2.70 -0.441 1.19
Fertility Sub Index -1.15
Calving Interval (days) 0.98 -1.459 -1.43
Survival (%) 0.25 1.117 0.28
Calving Sub Index 0.83
Gestation Length (days) -0.90 -0.919 0.83
Beef Sub Index -1.07
Carcass Weight (kg) -4.90 -0.528 2.58
Age of Slaughter (days) 8.47 -0.432 -3.66
Maintenance Sub Index Maint. Sub Index 7.76
Live WT (kg) -25.30 -0.307 7.76
Total Carbon Sub Index 9.49

* Based on an €80/tonne carbon price