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 2.31
Milk (kg) -46.00 -0.014 0.64
Fat (kg) -1.40 -0.375 0.52
Prot (kg) -2.58 -0.441 1.14
Fertility Sub Index -1.31
Calving Interval (days) 0.56 -1.459 -0.82
Survival (%) -0.44 1.117 -0.49
Calving Sub Index 0.06
Gestation Length (days) -0.07 -0.919 0.06
Beef Sub Index 0.76
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 0.20 -0.432 -0.09
Maintenance Sub Index Maint. Sub Index 2.33
Live WT (kg) -7.60 -0.307 2.33
Total Carbon Sub Index 4.15

* Based on an €80/tonne carbon price