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 4.11
Milk (kg) -135.00 -0.014 1.89
Fat (kg) -2.18 -0.375 0.82
Prot (kg) -3.19 -0.441 1.41
Fertility Sub Index -11.08
Calving Interval (days) 5.91 -1.459 -8.62
Survival (%) -2.20 1.117 -2.46
Calving Sub Index 0.34
Gestation Length (days) -0.37 -0.919 0.34
Beef Sub Index -0.10
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 3.65 -0.432 -1.58
Maintenance Sub Index Maint. Sub Index 2.12
Live WT (kg) -6.90 -0.307 2.12
Total Carbon Sub Index -4.61

* Based on an €80/tonne carbon price