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 6.19
Milk (kg) -74.00 -0.014 1.04
Fat (kg) -9.66 -0.375 3.62
Prot (kg) -3.47 -0.441 1.53
Fertility Sub Index -6.75
Calving Interval (days) 3.23 -1.459 -4.71
Survival (%) -1.82 1.117 -2.03
Calving Sub Index -2.11
Gestation Length (days) 2.30 -0.919 -2.11
Beef Sub Index -2.77
Carcass Weight (kg) 3.70 -0.528 -1.95
Age of Slaughter (days) 1.89 -0.432 -0.82
Maintenance Sub Index Maint. Sub Index 0.95
Live WT (kg) -3.10 -0.307 0.95
Total Carbon Sub Index -4.49

* Based on an €80/tonne carbon price