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 1.07
Milk (kg) -10.00 -0.014 0.14
Fat (kg) -1.02 -0.375 0.38
Prot (kg) -1.24 -0.441 0.55
Fertility Sub Index 0.26
Calving Interval (days) -0.51 -1.459 0.74
Survival (%) -0.43 1.117 -0.48
Calving Sub Index 3.52
Gestation Length (days) -3.83 -0.919 3.52
Beef Sub Index -0.71
Carcass Weight (kg) 1.60 -0.528 -0.84
Age of Slaughter (days) -0.31 -0.432 0.13
Maintenance Sub Index Maint. Sub Index 0.12
Live WT (kg) -0.40 -0.307 0.12
Total Carbon Sub Index 4.27

* Based on an €80/tonne carbon price