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 7.88
Milk (kg) -52.00 -0.014 0.73
Fat (kg) -9.49 -0.375 3.55
Prot (kg) -8.14 -0.441 3.59
Fertility Sub Index -2.66
Calving Interval (days) 2.23 -1.459 -3.25
Survival (%) 0.53 1.117 0.59
Calving Sub Index -0.91
Gestation Length (days) 0.99 -0.919 -0.91
Beef Sub Index -0.51
Carcass Weight (kg) 0.10 -0.528 -0.05
Age of Slaughter (days) 1.06 -0.432 -0.46
Maintenance Sub Index Maint. Sub Index 1.32
Live WT (kg) -4.30 -0.307 1.32
Total Carbon Sub Index 5.11

* Based on an €80/tonne carbon price