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 1.76
Milk (kg) -2.00 -0.014 0.03
Fat (kg) -3.29 -0.375 1.23
Prot (kg) -1.14 -0.441 0.50
Fertility Sub Index 1.85
Calving Interval (days) -1.52 -1.459 2.22
Survival (%) -0.33 1.117 -0.37
Calving Sub Index 0.60
Gestation Length (days) -0.65 -0.919 0.60
Beef Sub Index 1.14
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 1.15 -0.432 -0.50
Maintenance Sub Index Maint. Sub Index 3.49
Live WT (kg) -11.40 -0.307 3.49
Total Carbon Sub Index 8.84

* Based on an €80/tonne carbon price