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 20.80
Milk (kg) -390.00 -0.014 5.46
Fat (kg) -19.72 -0.375 7.39
Prot (kg) -18.02 -0.441 7.95
Fertility Sub Index 2.69
Calving Interval (days) -2.07 -1.459 3.02
Survival (%) -0.30 1.117 -0.34
Calving Sub Index 0.76
Gestation Length (days) -0.83 -0.919 0.76
Beef Sub Index 0.29
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 2.62 -0.432 -1.13
Maintenance Sub Index Maint. Sub Index 0.52
Live WT (kg) -1.70 -0.307 0.52
Total Carbon Sub Index 25.06

* Based on an €80/tonne carbon price