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 8.68
Milk (kg) -202.00 -0.014 2.83
Fat (kg) -5.36 -0.375 2.01
Prot (kg) -8.70 -0.441 3.84
Fertility Sub Index 0.48
Calving Interval (days) 0.07 -1.459 -0.10
Survival (%) 0.52 1.117 0.58
Calving Sub Index 3.78
Gestation Length (days) -4.11 -0.919 3.78
Beef Sub Index 1.36
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 1.26 -0.432 -0.54
Maintenance Sub Index Maint. Sub Index 4.38
Live WT (kg) -14.30 -0.307 4.38
Total Carbon Sub Index 18.68

* Based on an €80/tonne carbon price