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 10.34
Milk (kg) -204.00 -0.014 2.86
Fat (kg) -11.04 -0.375 4.14
Prot (kg) -7.58 -0.441 3.35
Fertility Sub Index 0.43
Calving Interval (days) 0.01 -1.459 -0.01
Survival (%) 0.40 1.117 0.45
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.69
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 1.95 -0.432 -0.84
Maintenance Sub Index Maint. Sub Index 3.56
Live WT (kg) -11.60 -0.307 3.56
Total Carbon Sub Index 18.72

* Based on an €80/tonne carbon price