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 17.10
Milk (kg) -350.00 -0.014 4.90
Fat (kg) -14.78 -0.375 5.54
Prot (kg) -15.11 -0.441 6.67
Fertility Sub Index 1.12
Calving Interval (days) -1.04 -1.459 1.52
Survival (%) -0.36 1.117 -0.40
Calving Sub Index 0.03
Gestation Length (days) -0.03 -0.919 0.03
Beef Sub Index 1.05
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 0.87 -0.432 -0.38
Maintenance Sub Index Maint. Sub Index 3.53
Live WT (kg) -11.50 -0.307 3.53
Total Carbon Sub Index 22.83

* Based on an €80/tonne carbon price