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 17.44
Milk (kg) -337.00 -0.014 4.72
Fat (kg) -15.23 -0.375 5.70
Prot (kg) -15.89 -0.441 7.01
Fertility Sub Index -1.03
Calving Interval (days) 0.46 -1.459 -0.67
Survival (%) -0.32 1.117 -0.36
Calving Sub Index 0.38
Gestation Length (days) -0.41 -0.919 0.38
Beef Sub Index 0.01
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 2.43 -0.432 -1.05
Maintenance Sub Index Maint. Sub Index 1.69
Live WT (kg) -5.50 -0.307 1.69
Total Carbon Sub Index 18.48

* Based on an €80/tonne carbon price