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 19.15
Milk (kg) -344.00 -0.014 4.82
Fat (kg) -18.47 -0.375 6.92
Prot (kg) -16.80 -0.441 7.41
Fertility Sub Index -2.93
Calving Interval (days) 0.08 -1.459 -0.12
Survival (%) -2.52 1.117 -2.82
Calving Sub Index -1.11
Gestation Length (days) 1.21 -0.919 -1.11
Beef Sub Index 1.07
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 0.34 -0.432 -0.15
Maintenance Sub Index Maint. Sub Index 4.20
Live WT (kg) -13.70 -0.307 4.20
Total Carbon Sub Index 20.37

* Based on an €80/tonne carbon price