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 4.12
Milk (kg) -88.00 -0.014 1.23
Fat (kg) -4.14 -0.375 1.55
Prot (kg) -3.03 -0.441 1.34
Fertility Sub Index 0.37
Calving Interval (days) 0.42 -1.459 -0.61
Survival (%) 0.88 1.117 0.98
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.82
Carcass Weight (kg) -0.40 -0.528 0.21
Age of Slaughter (days) -1.42 -0.432 0.61
Maintenance Sub Index Maint. Sub Index -2.36
Live WT (kg) 7.70 -0.307 -2.36
Total Carbon Sub Index 2.40

* Based on an €80/tonne carbon price