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 10.11
Milk (kg) -90.00 -0.014 1.26
Fat (kg) -10.03 -0.375 3.76
Prot (kg) -11.55 -0.441 5.10
Fertility Sub Index -16.16
Calving Interval (days) 8.35 -1.459 -12.18
Survival (%) -3.56 1.117 -3.98
Calving Sub Index 0.53
Gestation Length (days) -0.58 -0.919 0.53
Beef Sub Index -1.66
Carcass Weight (kg) 0.30 -0.528 -0.16
Age of Slaughter (days) 3.47 -0.432 -1.50
Maintenance Sub Index Maint. Sub Index -1.72
Live WT (kg) 5.60 -0.307 -1.72
Total Carbon Sub Index -8.88

* Based on an €80/tonne carbon price