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 5.79
Milk (kg) -76.00 -0.014 1.06
Fat (kg) -6.59 -0.375 2.47
Prot (kg) -5.11 -0.441 2.26
Fertility Sub Index 0.11
Calving Interval (days) 0.33 -1.459 -0.48
Survival (%) 0.53 1.117 0.59
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.40
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 2.26 -0.432 -0.98
Maintenance Sub Index Maint. Sub Index 3.40
Live WT (kg) -11.10 -0.307 3.40
Total Carbon Sub Index 13.40

* Based on an €80/tonne carbon price