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 1.30
Milk (kg) -85.00 -0.014 1.19
Fat (kg) 1.47 -0.375 -0.55
Prot (kg) -1.50 -0.441 0.66
Fertility Sub Index 0.90
Calving Interval (days) -0.49 -1.459 0.71
Survival (%) 0.17 1.117 0.19
Calving Sub Index -2.06
Gestation Length (days) 2.24 -0.919 -2.06
Beef Sub Index -3.54
Carcass Weight (kg) 4.90 -0.528 -2.58
Age of Slaughter (days) 2.22 -0.432 -0.96
Maintenance Sub Index Maint. Sub Index -0.12
Live WT (kg) 0.40 -0.307 -0.12
Total Carbon Sub Index -3.52

* Based on an €80/tonne carbon price