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 1.25
Milk (kg) -33.00 -0.014 0.46
Fat (kg) -2.48 -0.375 0.93
Prot (kg) 0.32 -0.441 -0.14
Fertility Sub Index -1.63
Calving Interval (days) 0.71 -1.459 -1.04
Survival (%) -0.53 1.117 -0.59
Calving Sub Index -2.28
Gestation Length (days) 2.48 -0.919 -2.28
Beef Sub Index -0.57
Carcass Weight (kg) 4.60 -0.528 -2.43
Age of Slaughter (days) -4.30 -0.432 1.86
Maintenance Sub Index Maint. Sub Index -4.60
Live WT (kg) 15.00 -0.307 -4.60
Total Carbon Sub Index -7.82

* Based on an €80/tonne carbon price