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 4.77
Milk (kg) -50.00 -0.014 0.70
Fat (kg) -6.63 -0.375 2.48
Prot (kg) -3.60 -0.441 1.59
Fertility Sub Index -1.36
Calving Interval (days) 0.52 -1.459 -0.76
Survival (%) -0.54 1.117 -0.60
Calving Sub Index -0.19
Gestation Length (days) 0.21 -0.919 -0.19
Beef Sub Index 0.45
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 1.76 -0.432 -0.76
Maintenance Sub Index Maint. Sub Index 2.48
Live WT (kg) -8.10 -0.307 2.48
Total Carbon Sub Index 6.15

* Based on an €80/tonne carbon price