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 3.32
Milk (kg) -3.00 -0.014 0.04
Fat (kg) -4.45 -0.375 1.67
Prot (kg) -3.65 -0.441 1.61
Fertility Sub Index -11.25
Calving Interval (days) 5.91 -1.459 -8.62
Survival (%) -2.35 1.117 -2.63
Calving Sub Index 1.52
Gestation Length (days) -1.65 -0.919 1.52
Beef Sub Index -0.35
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 4.48 -0.432 -1.93
Maintenance Sub Index Maint. Sub Index 2.88
Live WT (kg) -9.40 -0.307 2.88
Total Carbon Sub Index -3.88

* Based on an €80/tonne carbon price