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 7.06
Milk (kg) -22.00 -0.014 0.31
Fat (kg) -11.75 -0.375 4.40
Prot (kg) -5.32 -0.441 2.35
Fertility Sub Index -1.02
Calving Interval (days) 0.37 -1.459 -0.54
Survival (%) -0.43 1.117 -0.48
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 2.13
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) -1.14 -0.432 0.49
Maintenance Sub Index Maint. Sub Index 6.16
Live WT (kg) -20.10 -0.307 6.16
Total Carbon Sub Index 18.02

* Based on an €80/tonne carbon price